100249398250 has 32 divisors (see below), whose sum is σ = 189388639440. Its totient is φ = 39731860800.

The previous prime is 100249398239. The next prime is 100249398257. The reversal of 100249398250 is 52893942001.

It can be written as a sum of positive squares in 8 ways, for example, as 29802152689 + 70447245561 = 172633^2 + 265419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100249398197 and 100249398206.

It is not an unprimeable number, because it can be changed into a prime (100249398257) 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, 1812189 + ... + 1866688.

Almost surely, 2^100249398250 is an apocalyptic number.

100249398250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100249398250 is a deficient number, since it is larger than the sum of its proper divisors (89139241190).

100249398250 is a wasteful number, since it uses less digits than its factorization.

100249398250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679003 (or 3678993 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 100249398250 in words is "one hundred billion, two hundred forty-nine million, three hundred ninety-eight thousand, two hundred fifty".