100453658634 has 72 divisors (see below), whose sum is σ = 253473564708. Its totient is φ = 28668245760.

The previous prime is 100453658633. The next prime is 100453658659. The reversal of 100453658634 is 436856354001.

100453658634 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 5 + 3 + 6 + 5 + 8 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 99317631609 + 1136027025 = 315147^2 + 33705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100453658634.

It is not an unprimeable number, because it can be changed into a prime (100453658633) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 712404 + ... + 841680.

Almost surely, 2^100453658634 is an apocalyptic number.

100453658634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100453658634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126736782354).

100453658634 is an abundant number, since it is smaller than the sum of its proper divisors (153019906074).

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

100453658634 is a wasteful number, since it uses less digits than its factorization.

100453658634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130180 (or 130170 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 100453658634 in words is "one hundred billion, four hundred fifty-three million, six hundred fifty-eight thousand, six hundred thirty-four".