909477032213 has 2 divisors, whose sum is σ = 909477032214. Its totient is φ = 909477032212.

The previous prime is 909477032131. The next prime is 909477032287. The reversal of 909477032213 is 312230774909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493615846084 + 415861186129 = 702578^2 + 644873^2 .

It is a cyclic number.

It is not a de Polignac number, because 909477032213 - 2³⁸ = 634599125269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909477031213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454738516106 + 454738516107.

It is an arithmetic number, because the mean of its divisors is an integer number (454738516107).

Almost surely, 2^909477032213 is an apocalyptic number.

It is an amenable number.

909477032213 is a deficient number, since it is larger than the sum of its proper divisors (1).

909477032213 is an equidigital number, since it uses as much as digits as its factorization.

909477032213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 909477032213 in words is "nine hundred nine billion, four hundred seventy-seven million, thirty-two thousand, two hundred thirteen".