40964591929 has 2 divisors, whose sum is σ = 40964591930. Its totient is φ = 40964591928.

The previous prime is 40964591911. The next prime is 40964591939. The reversal of 40964591929 is 92919546904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27331694329 + 13632897600 = 165323^2 + 116760^2 .

It is a cyclic number.

It is not a de Polignac number, because 40964591929 - 2¹⁷ = 40964460857 is a prime.

It is not a weakly prime, because it can be changed into another prime (40964591939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482295964 + 20482295965.

It is an arithmetic number, because the mean of its divisors is an integer number (20482295965).

Almost surely, 2^40964591929 is an apocalyptic number.

It is an amenable number.

40964591929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40964591929 is an equidigital number, since it uses as much as digits as its factorization.

40964591929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 58.

The spelling of 40964591929 in words is "forty billion, nine hundred sixty-four million, five hundred ninety-one thousand, nine hundred twenty-nine".