8400669051 has 24 divisors (see below), whose sum is σ = 11946239424. Its totient is φ = 5249872000.

The previous prime is 8400669049. The next prime is 8400669097. The reversal of 8400669051 is 1509660048.

It is not a de Polignac number, because 8400669051 - 2¹ = 8400669049 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8400669001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198316 + ... + 236918.

It is an arithmetic number, because the mean of its divisors is an integer number (497759976).

Almost surely, 2^8400669051 is an apocalyptic number.

8400669051 is a deficient number, since it is larger than the sum of its proper divisors (3545570373).

8400669051 is a wasteful number, since it uses less digits than its factorization.

8400669051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38891 (or 38874 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8400669051 is about 91655.1637988826. The cubic root of 8400669051 is about 2032.8466821174.

The spelling of 8400669051 in words is "eight billion, four hundred million, six hundred sixty-nine thousand, fifty-one".