953801013861 has 48 divisors (see below), whose sum is σ = 1434449016000. Its totient is φ = 610211218176.

The previous prime is 953801013829. The next prime is 953801013899. The reversal of 953801013861 is 168310108359.

It is a happy number.

953801013861 is a `hidden beast` number, since 9 + 538 + 0 + 101 + 3 + 8 + 6 + 1 = 666.

It is not a de Polignac number, because 953801013861 - 2⁵ = 953801013829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (953801013811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44490801 + ... + 44512233.

It is an arithmetic number, because the mean of its divisors is an integer number (29884354500).

Almost surely, 2^953801013861 is an apocalyptic number.

It is an amenable number.

953801013861 is a deficient number, since it is larger than the sum of its proper divisors (480648002139).

953801013861 is a wasteful number, since it uses less digits than its factorization.

953801013861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490 (or 23487 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 953801013861 in words is "nine hundred fifty-three billion, eight hundred one million, thirteen thousand, eight hundred sixty-one".