40679253631799 has 2 divisors, whose sum is σ = 40679253631800. Its totient is φ = 40679253631798.

The previous prime is 40679253631721. The next prime is 40679253631879. The reversal of 40679253631799 is 99713635297604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40679253631799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40679253331799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20339626815899 + 20339626815900.

It is an arithmetic number, because the mean of its divisors is an integer number (20339626815900).

Almost surely, 2^{40679253631799} is an apocalyptic number.

40679253631799 is a deficient number, since it is larger than the sum of its proper divisors (1).

40679253631799 is an equidigital number, since it uses as much as digits as its factorization.

40679253631799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 462944160, while the sum is 71.

The spelling of 40679253631799 in words is "forty trillion, six hundred seventy-nine billion, two hundred fifty-three million, six hundred thirty-one thousand, seven hundred ninety-nine".