1474545681 has 64 divisors (see below), whose sum is σ = 2577600000. Its totient is φ = 832664448.

The previous prime is 1474545671. The next prime is 1474545697. The reversal of 1474545681 is 1865454741.

1474545681 is a `hidden beast` number, since 1 + 47 + 4 + 545 + 68 + 1 = 666.

It is not a de Polignac number, because 1474545681 - 2⁵ = 1474545649 is a prime.

It is a super-2 number, since 2×1474545681² = 4348569930711507522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1474545601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 823335 + ... + 825123.

It is an arithmetic number, because the mean of its divisors is an integer number (40275000).

Almost surely, 2^1474545681 is an apocalyptic number.

It is an amenable number.

1474545681 is a deficient number, since it is larger than the sum of its proper divisors (1103054319).

1474545681 is an equidigital number, since it uses as much as digits as its factorization.

1474545681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1888 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1474545681 is about 38399.8135542349. The cubic root of 1474545681 is about 1138.2021731689.

The spelling of 1474545681 in words is "one billion, four hundred seventy-four million, five hundred forty-five thousand, six hundred eighty-one".