755445989741831 has 16 divisors (see below), whose sum is σ = 778649109035328. Its totient is φ = 732591976838400.

The previous prime is 755445989741797. The next prime is 755445989741869. The reversal of 755445989741831 is 138147989544557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-755445989741831 is a prime.

It is a super-2 number, since 2×755445989741831² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755445989731831) 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, 1073706005 + ... + 1074409361.

It is an arithmetic number, because the mean of its divisors is an integer number (48665569314708).

Almost surely, 2^{755445989741831} is an apocalyptic number.

755445989741831 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

755445989741831 is a deficient number, since it is larger than the sum of its proper divisors (23203119293497).

755445989741831 is a wasteful number, since it uses less digits than its factorization.

755445989741831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951482.

The product of its digits is 6096384000, while the sum is 80.

The spelling of 755445989741831 in words is "seven hundred fifty-five trillion, four hundred forty-five billion, nine hundred eighty-nine million, seven hundred forty-one thousand, eight hundred thirty-one".