909049214951 has 2 divisors, whose sum is σ = 909049214952. Its totient is φ = 909049214950.

The previous prime is 909049214929. The next prime is 909049214981. The reversal of 909049214951 is 159412940909.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-909049214951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 909049214893 and 909049214902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909049214921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454524607475 + 454524607476.

It is an arithmetic number, because the mean of its divisors is an integer number (454524607476).

Almost surely, 2^909049214951 is an apocalyptic number.

909049214951 is a deficient number, since it is larger than the sum of its proper divisors (1).

909049214951 is an equidigital number, since it uses as much as digits as its factorization.

909049214951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The spelling of 909049214951 in words is "nine hundred nine billion, forty-nine million, two hundred fourteen thousand, nine hundred fifty-one".