5619895981 has 16 divisors (see below), whose sum is σ = 6763663360. Its totient is φ = 4561576560.

The previous prime is 5619895979. The next prime is 5619896003. The reversal of 5619895981 is 1895989165.

It is a cyclic number.

It is not a de Polignac number, because 5619895981 - 2¹ = 5619895979 is a prime.

It is a super-2 number, since 2×5619895981² = 63166461674519904722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5619895961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360376 + ... + 375646.

It is an arithmetic number, because the mean of its divisors is an integer number (422728960).

Almost surely, 2^5619895981 is an apocalyptic number.

It is an amenable number.

5619895981 is a deficient number, since it is larger than the sum of its proper divisors (1143767379).

5619895981 is a wasteful number, since it uses less digits than its factorization.

5619895981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18064.

The product of its digits is 6998400, while the sum is 61.

The square root of 5619895981 is about 74965.9654843450. The cubic root of 5619895981 is about 1777.9085798071.

The spelling of 5619895981 in words is "five billion, six hundred nineteen million, eight hundred ninety-five thousand, nine hundred eighty-one".