6145699973 has 4 divisors (see below), whose sum is σ = 7023657120. Its totient is φ = 5267742828.

The previous prime is 6145699969. The next prime is 6145699979. The reversal of 6145699973 is 3799965416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6145699973 - 2² = 6145699969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145699979) 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, 438978563 + ... + 438978576.

It is an arithmetic number, because the mean of its divisors is an integer number (1755914280).

Almost surely, 2^6145699973 is an apocalyptic number.

It is an amenable number.

6145699973 is a deficient number, since it is larger than the sum of its proper divisors (877957147).

6145699973 is an equidigital number, since it uses as much as digits as its factorization.

6145699973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877957146.

The product of its digits is 11022480, while the sum is 59.

The square root of 6145699973 is about 78394.5149420545. The cubic root of 6145699973 is about 1831.7116946700.

The spelling of 6145699973 in words is "six billion, one hundred forty-five million, six hundred ninety-nine thousand, nine hundred seventy-three".