40936129873 has 2 divisors, whose sum is σ = 40936129874. Its totient is φ = 40936129872.

The previous prime is 40936129811. The next prime is 40936129921. The reversal of 40936129873 is 37892163904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29588128144 + 11348001729 = 172012^2 + 106527^2 .

It is a cyclic number.

It is not a de Polignac number, because 40936129873 - 2⁹ = 40936129361 is a prime.

It is a super-2 number, since 2×40936129873² (a number of 22 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 40936129873.

It is not a weakly prime, because it can be changed into another prime (40936129373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20468064936 + 20468064937.

It is an arithmetic number, because the mean of its divisors is an integer number (20468064937).

Almost surely, 2^40936129873 is an apocalyptic number.

It is an amenable number.

40936129873 is a deficient number, since it is larger than the sum of its proper divisors (1).

40936129873 is an equidigital number, since it uses as much as digits as its factorization.

40936129873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 40936129873 in words is "forty billion, nine hundred thirty-six million, one hundred twenty-nine thousand, eight hundred seventy-three".