46191917 has 2 divisors, whose sum is σ = 46191918. Its totient is φ = 46191916.

The previous prime is 46191913. The next prime is 46191919. The reversal of 46191917 is 71919164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 3759721 = 6514^2 + 1939^2 .

It is a cyclic number.

It is not a de Polignac number, because 46191917 - 2² = 46191913 is a prime.

It is a super-2 number, since 2×46191917² = 4267386392269778, which contains 22 as substring.

Together with 46191919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46191913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23095958 + 23095959.

It is an arithmetic number, because the mean of its divisors is an integer number (23095959).

Almost surely, 2^46191917 is an apocalyptic number.

It is an amenable number.

46191917 is a deficient number, since it is larger than the sum of its proper divisors (1).

46191917 is an equidigital number, since it uses as much as digits as its factorization.

46191917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 38.

The square root of 46191917 is about 6796.4635657083. The cubic root of 46191917 is about 358.8023912283.

The spelling of 46191917 in words is "forty-six million, one hundred ninety-one thousand, nine hundred seventeen".