755649040979 has 16 divisors (see below), whose sum is σ = 925415705088. Its totient is φ = 602254649472.

The previous prime is 755649040919. The next prime is 755649040997. The reversal of 755649040979 is 979040946557.

755649040979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-755649040979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755649040919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38243087 + ... + 38262840.

It is an arithmetic number, because the mean of its divisors is an integer number (57838481568).

Almost surely, 2^755649040979 is an apocalyptic number.

755649040979 is a deficient number, since it is larger than the sum of its proper divisors (169766664109).

755649040979 is a wasteful number, since it uses less digits than its factorization.

755649040979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76506034.

The product of its (nonzero) digits is 85730400, while the sum is 65.

The spelling of 755649040979 in words is "seven hundred fifty-five billion, six hundred forty-nine million, forty thousand, nine hundred seventy-nine".