100709891499 has 16 divisors (see below), whose sum is σ = 153476407808. Its totient is φ = 57543365952.

The previous prime is 100709891441. The next prime is 100709891507. The reversal of 100709891499 is 994198907001.

It is not a de Polignac number, because 100709891499 - 2¹² = 100709887403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100709891299) 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, 32874 + ... + 450000.

It is an arithmetic number, because the mean of its divisors is an integer number (9592275488).

Almost surely, 2^100709891499 is an apocalyptic number.

100709891499 is a deficient number, since it is larger than the sum of its proper divisors (52766516309).

100709891499 is a wasteful number, since it uses less digits than its factorization.

100709891499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428634.

The product of its (nonzero) digits is 1469664, while the sum is 57.

The spelling of 100709891499 in words is "one hundred billion, seven hundred nine million, eight hundred ninety-one thousand, four hundred ninety-nine".