46886240657 has 2 divisors, whose sum is σ = 46886240658. Its totient is φ = 46886240656.

The previous prime is 46886240647. The next prime is 46886240659. The reversal of 46886240657 is 75604268864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38949390736 + 7936849921 = 197356^2 + 89089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46886240657 is a prime.

It is a super-2 number, since 2×46886240657² (a number of 22 digits) contains 22 as substring.

Together with 46886240659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (46886240659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23443120328 + 23443120329.

It is an arithmetic number, because the mean of its divisors is an integer number (23443120329).

Almost surely, 2^46886240657 is an apocalyptic number.

It is an amenable number.

46886240657 is a deficient number, since it is larger than the sum of its proper divisors (1).

46886240657 is an equidigital number, since it uses as much as digits as its factorization.

46886240657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 46886240657 in words is "forty-six billion, eight hundred eighty-six million, two hundred forty thousand, six hundred fifty-seven".