474921689815 has 16 divisors (see below), whose sum is σ = 576377347392. Its totient is φ = 375631248384.

The previous prime is 474921689791. The next prime is 474921689819. The reversal of 474921689815 is 518986129474.

It is a cyclic number.

It is not a de Polignac number, because 474921689815 - 2⁷ = 474921689687 is a prime.

It is a super-2 number, since 2×474921689815² (a number of 24 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 (474921689819) 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, 37324 + ... + 975313.

It is an arithmetic number, because the mean of its divisors is an integer number (36023584212).

Almost surely, 2^474921689815 is an apocalyptic number.

474921689815 is a deficient number, since it is larger than the sum of its proper divisors (101455657577).

474921689815 is a wasteful number, since it uses less digits than its factorization.

474921689815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013706.

The product of its digits is 34836480, while the sum is 64.

The spelling of 474921689815 in words is "four hundred seventy-four billion, nine hundred twenty-one million, six hundred eighty-nine thousand, eight hundred fifteen".