9613537812 has 144 divisors (see below), whose sum is σ = 26004888000. Its totient is φ = 3103453440.

The previous prime is 9613537807. The next prime is 9613537883. The reversal of 9613537812 is 2187353169.

9613537812 is a `hidden beast` number, since 96 + 13 + 537 + 8 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5937139 + ... + 5938757.

It is an arithmetic number, because the mean of its divisors is an integer number (180589500).

Almost surely, 2^9613537812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9613537812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13002444000).

9613537812 is an abundant number, since it is smaller than the sum of its proper divisors (16391350188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9613537812 is a wasteful number, since it uses less digits than its factorization.

9613537812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1814 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 9613537812 is about 98048.6502303831. The cubic root of 9613537812 is about 2126.3157018974.

The spelling of 9613537812 in words is "nine billion, six hundred thirteen million, five hundred thirty-seven thousand, eight hundred twelve".