40831474002637 has 2 divisors, whose sum is σ = 40831474002638. Its totient is φ = 40831474002636.

The previous prime is 40831474002601. The next prime is 40831474002647. The reversal of 40831474002637 is 73620047413804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38886623415396 + 1944850587241 = 6235914^2 + 1394579^2 .

It is a cyclic number.

It is not a de Polignac number, because 40831474002637 - 2⁷ = 40831474002509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40831474002647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20415737001318 + 20415737001319.

It is an arithmetic number, because the mean of its divisors is an integer number (20415737001319).

Almost surely, 2^{40831474002637} is an apocalyptic number.

It is an amenable number.

40831474002637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40831474002637 is an equidigital number, since it uses as much as digits as its factorization.

40831474002637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 40831474002637 in words is "forty trillion, eight hundred thirty-one billion, four hundred seventy-four million, two thousand, six hundred thirty-seven".