40761874635497 has 2 divisors, whose sum is σ = 40761874635498. Its totient is φ = 40761874635496.

The previous prime is 40761874635437. The next prime is 40761874635509. The reversal of 40761874635497 is 79453647816704.

40761874635497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40740914545321 + 20960090176 = 6382861^2 + 144776^2 .

It is a cyclic number.

It is not a de Polignac number, because 40761874635497 - 2⁸ = 40761874635241 is a prime.

It is a super-2 number, since 2×40761874635497² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40761874635497.

It is not a weakly prime, because it can be changed into another prime (40761874635437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20380937317748 + 20380937317749.

It is an arithmetic number, because the mean of its divisors is an integer number (20380937317749).

Almost surely, 2^{40761874635497} is an apocalyptic number.

It is an amenable number.

40761874635497 is a deficient number, since it is larger than the sum of its proper divisors (1).

40761874635497 is an equidigital number, since it uses as much as digits as its factorization.

40761874635497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 853493760, while the sum is 71.

The spelling of 40761874635497 in words is "forty trillion, seven hundred sixty-one billion, eight hundred seventy-four million, six hundred thirty-five thousand, four hundred ninety-seven".