909464823213 has 16 divisors (see below), whose sum is σ = 1230819752640. Its totient is φ = 597211376256.

The previous prime is 909464823193. The next prime is 909464823271. The reversal of 909464823213 is 312328464909.

It is not a de Polignac number, because 909464823213 - 2²¹ = 909462726061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (909464823313) 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, 2350681 + ... + 2710097.

It is an arithmetic number, because the mean of its divisors is an integer number (76926234540).

Almost surely, 2^909464823213 is an apocalyptic number.

It is an amenable number.

909464823213 is a deficient number, since it is larger than the sum of its proper divisors (321354929427).

909464823213 is a wasteful number, since it uses less digits than its factorization.

909464823213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372076.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 909464823213 in words is "nine hundred nine billion, four hundred sixty-four million, eight hundred twenty-three thousand, two hundred thirteen".