40133663993 has 2 divisors, whose sum is σ = 40133663994. Its totient is φ = 40133663992.

The previous prime is 40133663879. The next prime is 40133664041. The reversal of 40133663993 is 39936633104.

40133663993 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., 27970221049 + 12163442944 = 167243^2 + 110288^2 .

It is a cyclic number.

It is not a de Polignac number, because 40133663993 - 2⁸ = 40133663737 is a prime.

It is a super-2 number, since 2×40133663993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40133669993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066831996 + 20066831997.

It is an arithmetic number, because the mean of its divisors is an integer number (20066831997).

Almost surely, 2^40133663993 is an apocalyptic number.

It is an amenable number.

40133663993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40133663993 is an equidigital number, since it uses as much as digits as its factorization.

40133663993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 47.

The spelling of 40133663993 in words is "forty billion, one hundred thirty-three million, six hundred sixty-three thousand, nine hundred ninety-three".