5642809371 has 24 divisors (see below), whose sum is σ = 8713991520. Its totient is φ = 3506201856.

The previous prime is 5642809349. The next prime is 5642809423. The reversal of 5642809371 is 1739082465.

5642809371 is a `hidden beast` number, since 564 + 2 + 80 + 9 + 3 + 7 + 1 = 666.

5642809371 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5642809371 - 2⁶ = 5642809307 is a prime.

5642809371 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (5642809301) 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, 163276 + ... + 194793.

It is an arithmetic number, because the mean of its divisors is an integer number (363082980).

It is a 1-persistent number, because it is pandigital, but 2⋅5642809371 = 11285618742 is not.

Almost surely, 2^5642809371 is an apocalyptic number.

5642809371 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5642809371 is a deficient number, since it is larger than the sum of its proper divisors (3071182149).

5642809371 is a wasteful number, since it uses less digits than its factorization.

5642809371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358195 (or 358192 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 5642809371 is about 75118.6353110864. The cubic root of 5642809371 is about 1780.3215943576.

The spelling of 5642809371 in words is "five billion, six hundred forty-two million, eight hundred nine thousand, three hundred seventy-one".