755649040919 has 2 divisors, whose sum is σ = 755649040920. Its totient is φ = 755649040918.

The previous prime is 755649040901. The next prime is 755649040997. The reversal of 755649040919 is 919040946557.

755649040919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755649040919 is a prime.

It is a super-2 number, since 2×755649040919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755649040999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377824520459 + 377824520460.

It is an arithmetic number, because the mean of its divisors is an integer number (377824520460).

Almost surely, 2^755649040919 is an apocalyptic number.

755649040919 is a deficient number, since it is larger than the sum of its proper divisors (1).

755649040919 is an equidigital number, since it uses as much as digits as its factorization.

755649040919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 755649040919 in words is "seven hundred fifty-five billion, six hundred forty-nine million, forty thousand, nine hundred nineteen".