6145783106761 has 3 divisors (see below), whose sum is σ = 6145785585831. Its totient is φ = 6145780627692.

The previous prime is 6145783106741. The next prime is 6145783106783. The reversal of 6145783106761 is 1676013875416.

The square root of 6145783106761 is 2479069.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5793018383161 + 352764723600 = 2406869^2 + 593940^2 .

It is not a de Polignac number, because 6145783106761 - 2⁹ = 6145783106249 is a prime.

It is a super-2 number, since 2×6145783106761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6145783106731) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1239535 + ... + 3718603.

It is an arithmetic number, because the mean of its divisors is an integer number (2048595195277).

Almost surely, 2^{6145783106761} is an apocalyptic number.

6145783106761 is the 2479069-th square number.

6145783106761 is the 1239535-th centered octagonal number.

It is an amenable number.

6145783106761 is a deficient number, since it is larger than the sum of its proper divisors (2479070).

6145783106761 is an frugal number, since it uses more digits than its factorization.

6145783106761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958138 (or 2479069 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 6145783106761 in words is "six trillion, one hundred forty-five billion, seven hundred eighty-three million, one hundred six thousand, seven hundred sixty-one".