5638968654 has 16 divisors (see below), whose sum is σ = 12303204480. Its totient is φ = 1708778360.

The previous prime is 5638968653. The next prime is 5638968659. The reversal of 5638968654 is 4568698365.

It is a happy number.

It is a super-4 number, since 4×5638968654⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638968653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42719394 + ... + 42719525.

It is an arithmetic number, because the mean of its divisors is an integer number (768950280).

Almost surely, 2^5638968654 is an apocalyptic number.

5638968654 is an abundant number, since it is smaller than the sum of its proper divisors (6664235826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5638968654 is a wasteful number, since it uses less digits than its factorization.

5638968654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85438935.

The product of its digits is 37324800, while the sum is 60.

The square root of 5638968654 is about 75093.0666173649. The cubic root of 5638968654 is about 1779.9175838203.

The spelling of 5638968654 in words is "five billion, six hundred thirty-eight million, nine hundred sixty-eight thousand, six hundred fifty-four".