9913374477 has 6 divisors (see below), whose sum is σ = 14319318702. Its totient is φ = 6608916312.

The previous prime is 9913374433. The next prime is 9913374479. The reversal of 9913374477 is 7744733199.

9913374477 is a `hidden beast` number, since 99 + 13 + 3 + 74 + 477 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9042298281 + 871076196 = 95091^2 + 29514^2 .

It is not a de Polignac number, because 9913374477 - 2⁷ = 9913374349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913374479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550743018 + ... + 550743035.

It is an arithmetic number, because the mean of its divisors is an integer number (2386553117).

Almost surely, 2^9913374477 is an apocalyptic number.

It is an amenable number.

9913374477 is a deficient number, since it is larger than the sum of its proper divisors (4405944225).

9913374477 is a wasteful number, since it uses less digits than its factorization.

9913374477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101486059 (or 1101486056 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 9913374477 is about 99565.9303024885. The cubic root of 9913374477 is about 2148.1956722020.

The spelling of 9913374477 in words is "nine billion, nine hundred thirteen million, three hundred seventy-four thousand, four hundred seventy-seven".