5642661004 has 6 divisors (see below), whose sum is σ = 9874656764. Its totient is φ = 2821330500.

The previous prime is 5642660981. The next prime is 5642661019. The reversal of 5642661004 is 4001662465.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705332622 + ... + 705332629.

Almost surely, 2^5642661004 is an apocalyptic number.

It is an amenable number.

5642661004 is a deficient number, since it is larger than the sum of its proper divisors (4231995760).

5642661004 is a wasteful number, since it uses less digits than its factorization.

5642661004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410665255 (or 1410665253 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 5642661004 is about 75117.6477533742. The cubic root of 5642661004 is about 1780.3059908245.

The spelling of 5642661004 in words is "five billion, six hundred forty-two million, six hundred sixty-one thousand, four".