45669653278 has 16 divisors (see below), whose sum is σ = 72158757840. Its totient is φ = 21618360000.

The previous prime is 45669653243. The next prime is 45669653311. The reversal of 45669653278 is 87235696654.

It is a super-2 number, since 2×45669653278² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349473 + ... + 462028.

It is an arithmetic number, because the mean of its divisors is an integer number (4509922365).

Almost surely, 2^45669653278 is an apocalyptic number.

45669653278 is a deficient number, since it is larger than the sum of its proper divisors (26489104562).

45669653278 is a wasteful number, since it uses less digits than its factorization.

45669653278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813003.

The product of its digits is 65318400, while the sum is 61.

The spelling of 45669653278 in words is "forty-five billion, six hundred sixty-nine million, six hundred fifty-three thousand, two hundred seventy-eight".