749265562946 has 16 divisors (see below), whose sum is σ = 1125502792440. Its totient is φ = 374098072320.

The previous prime is 749265562897. The next prime is 749265562973. The reversal of 749265562946 is 649265562947.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 705860424025 + 43405138921 = 840155^2 + 208339^2 .

It is a super-2 number, since 2×749265562946² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18512660 + ... + 18553088.

Almost surely, 2^749265562946 is an apocalyptic number.

749265562946 is a deficient number, since it is larger than the sum of its proper divisors (376237229494).

749265562946 is a wasteful number, since it uses less digits than its factorization.

749265562946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53429.

The product of its digits is 195955200, while the sum is 65.

Subtracting from 749265562946 its reverse (649265562947), we obtain a palindrome (99999999999).

The spelling of 749265562946 in words is "seven hundred forty-nine billion, two hundred sixty-five million, five hundred sixty-two thousand, nine hundred forty-six".