921314468511 has 8 divisors (see below), whose sum is σ = 1364910323760. Its totient is φ = 614209645656.

The previous prime is 921314468491. The next prime is 921314468513. The reversal of 921314468511 is 115864413129.

921314468511 is a `hidden beast` number, since 9 + 2 + 1 + 31 + 44 + 68 + 511 = 666.

It is not a de Polignac number, because 921314468511 - 2¹⁴ = 921314452127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921314468513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17061379020 + ... + 17061379073.

It is an arithmetic number, because the mean of its divisors is an integer number (170613790470).

Almost surely, 2^921314468511 is an apocalyptic number.

921314468511 is a deficient number, since it is larger than the sum of its proper divisors (443595855249).

921314468511 is a wasteful number, since it uses less digits than its factorization.

921314468511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34122758102 (or 34122758096 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 921314468511 in words is "nine hundred twenty-one billion, three hundred fourteen million, four hundred sixty-eight thousand, five hundred eleven".