100624880849 has 4 divisors (see below), whose sum is σ = 101621166900. Its totient is φ = 99628594800.

The previous prime is 100624880843. The next prime is 100624880861. The reversal of 100624880849 is 948088426001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67233897025 + 33390983824 = 259295^2 + 182732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100624880849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100624880797 and 100624880806.

It is not an unprimeable number, because it can be changed into a prime (100624880843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498142874 + ... + 498143075.

It is an arithmetic number, because the mean of its divisors is an integer number (25405291725).

Almost surely, 2^100624880849 is an apocalyptic number.

It is an amenable number.

100624880849 is a deficient number, since it is larger than the sum of its proper divisors (996286051).

100624880849 is an equidigital number, since it uses as much as digits as its factorization.

100624880849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996286050.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 100624880849 in words is "one hundred billion, six hundred twenty-four million, eight hundred eighty thousand, eight hundred forty-nine".