608405691051 has 20 divisors (see below), whose sum is σ = 910514534952. Its totient is φ = 404862258528.

The previous prime is 608405691041. The next prime is 608405691079. The reversal of 608405691051 is 150196504806.

608405691051 is a `hidden beast` number, since 6 + 0 + 84 + 0 + 569 + 1 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 608405691051 - 2⁷ = 608405690923 is a prime.

It is a super-2 number, since 2×608405691051² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 608405690988 and 608405691006.

It is not an unprimeable number, because it can be changed into a prime (608405691011) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6821490 + ... + 6910103.

Almost surely, 2^608405691051 is an apocalyptic number.

608405691051 is a deficient number, since it is larger than the sum of its proper divisors (302108843901).

608405691051 is a wasteful number, since it uses less digits than its factorization.

608405691051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732152 (or 13732143 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 608405691051 in words is "six hundred eight billion, four hundred five million, six hundred ninety-one thousand, fifty-one".