76549431601 has 4 divisors (see below), whose sum is σ = 76595464192. Its totient is φ = 76503399012.

The previous prime is 76549431599. The next prime is 76549431649. The reversal of 76549431601 is 10613494567.

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 76549431601 - 2¹ = 76549431599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76549431671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23013801 + ... + 23017126.

It is an arithmetic number, because the mean of its divisors is an integer number (19148866048).

Almost surely, 2^76549431601 is an apocalyptic number.

It is an amenable number.

76549431601 is a deficient number, since it is larger than the sum of its proper divisors (46032591).

76549431601 is a wasteful number, since it uses less digits than its factorization.

76549431601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46032590.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 76549431601 in words is "seventy-six billion, five hundred forty-nine million, four hundred thirty-one thousand, six hundred one".