100909190951 has 2 divisors, whose sum is σ = 100909190952. Its totient is φ = 100909190950.

The previous prime is 100909190929. The next prime is 100909190959. The reversal of 100909190951 is 159091909001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100909190951 - 2⁶ = 100909190887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100909190959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50454595475 + 50454595476.

It is an arithmetic number, because the mean of its divisors is an integer number (50454595476).

Almost surely, 2^100909190951 is an apocalyptic number.

100909190951 is a deficient number, since it is larger than the sum of its proper divisors (1).

100909190951 is an equidigital number, since it uses as much as digits as its factorization.

100909190951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32805, while the sum is 44.

The spelling of 100909190951 in words is "one hundred billion, nine hundred nine million, one hundred ninety thousand, nine hundred fifty-one".