5639962945 has 16 divisors (see below), whose sum is σ = 7150680000. Its totient is φ = 4258588608.

The previous prime is 5639962931. The next prime is 5639962961. The reversal of 5639962945 is 5492699365.

It is a cyclic number.

It is not a de Polignac number, because 5639962945 - 2¹³ = 5639954753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5639962945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84795 + ... + 135904.

It is an arithmetic number, because the mean of its divisors is an integer number (446917500).

Almost surely, 2^5639962945 is an apocalyptic number.

It is an amenable number.

5639962945 is a deficient number, since it is larger than the sum of its proper divisors (1510717055).

5639962945 is a wasteful number, since it uses less digits than its factorization.

5639962945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220992.

The product of its digits is 15746400, while the sum is 58.

The square root of 5639962945 is about 75099.6867170563. The cubic root of 5639962945 is about 1780.0221923126.

The spelling of 5639962945 in words is "five billion, six hundred thirty-nine million, nine hundred sixty-two thousand, nine hundred forty-five".