901634413 has 2 divisors, whose sum is σ = 901634414. Its totient is φ = 901634412.

The previous prime is 901634399. The next prime is 901634429. The reversal of 901634413 is 314436109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758066089 + 143568324 = 27533^2 + 11982^2 .

It is a cyclic number.

It is not a de Polignac number, because 901634413 - 2⁵ = 901634381 is a prime.

It is a super-2 number, since 2×901634413² = 1625889229411709138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901634453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450817206 + 450817207.

It is an arithmetic number, because the mean of its divisors is an integer number (450817207).

Almost surely, 2^901634413 is an apocalyptic number.

It is an amenable number.

901634413 is a deficient number, since it is larger than the sum of its proper divisors (1).

901634413 is an equidigital number, since it uses as much as digits as its factorization.

901634413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 901634413 is about 30027.2278607267. The cubic root of 901634413 is about 966.0734787299.

The spelling of 901634413 in words is "nine hundred one million, six hundred thirty-four thousand, four hundred thirteen".