7135819484261 has 4 divisors (see below), whose sum is σ = 7684728675372. Its totient is φ = 6586910293152.

The previous prime is 7135819484251. The next prime is 7135819484267. The reversal of 7135819484261 is 1624849185317.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1539609456100 + 5596210028161 = 1240810^2 + 2365631^2 .

It is a cyclic number.

It is not a de Polignac number, because 7135819484261 - 2²² = 7135815289957 is a prime.

It is a super-2 number, since 2×7135819484261² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7135819484261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135819484267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274454595536 + ... + 274454595561.

It is an arithmetic number, because the mean of its divisors is an integer number (1921182168843).

Almost surely, 2^{7135819484261} is an apocalyptic number.

It is an amenable number.

7135819484261 is a deficient number, since it is larger than the sum of its proper divisors (548909191111).

7135819484261 is a wasteful number, since it uses less digits than its factorization.

7135819484261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548909191110.

The product of its digits is 11612160, while the sum is 59.

The spelling of 7135819484261 in words is "seven trillion, one hundred thirty-five billion, eight hundred nineteen million, four hundred eighty-four thousand, two hundred sixty-one".