40693497271919 has 2 divisors, whose sum is σ = 40693497271920. Its totient is φ = 40693497271918.

The previous prime is 40693497271891. The next prime is 40693497271961. The reversal of 40693497271919 is 91917279439604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40693497271919 - 2²⁰ = 40693496223343 is a prime.

It is a super-2 number, since 2×40693497271919² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40693497276919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20346748635959 + 20346748635960.

It is an arithmetic number, because the mean of its divisors is an integer number (20346748635960).

Almost surely, 2^{40693497271919} is an apocalyptic number.

40693497271919 is a deficient number, since it is larger than the sum of its proper divisors (1).

40693497271919 is an equidigital number, since it uses as much as digits as its factorization.

40693497271919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 40693497271919 in words is "forty trillion, six hundred ninety-three billion, four hundred ninety-seven million, two hundred seventy-one thousand, nine hundred nineteen".