749451351560 has 16 divisors (see below), whose sum is σ = 1686265541100. Its totient is φ = 299780540608.

The previous prime is 749451351527. The next prime is 749451351577. The reversal of 749451351560 is 65153154947.

It can be written as a sum of positive squares in 2 ways, for example, as 701737939204 + 47713412356 = 837698^2 + 218434^2 .

It is a super-2 number, since 2×749451351560² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 749451351499 and 749451351508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9368141855 + ... + 9368141934.

Almost surely, 2^749451351560 is an apocalyptic number.

It is an amenable number.

749451351560 is an abundant number, since it is smaller than the sum of its proper divisors (936814189540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

749451351560 is a wasteful number, since it uses less digits than its factorization.

749451351560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18736283800 (or 18736283796 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 50.

It can be divided in two parts, 749451 and 351560, that added together give a palindrome (1101011).

The spelling of 749451351560 in words is "seven hundred forty-nine billion, four hundred fifty-one million, three hundred fifty-one thousand, five hundred sixty".