40424752762993 has 2 divisors, whose sum is σ = 40424752762994. Its totient is φ = 40424752762992.

The previous prime is 40424752762981. The next prime is 40424752763107. The reversal of 40424752762993 is 39926725742404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35893614712384 + 4531138050609 = 5991128^2 + 2128647^2 .

It is a cyclic number.

It is not a de Polignac number, because 40424752762993 - 2¹³ = 40424752754801 is a prime.

It is a super-2 number, since 2×40424752762993² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40424752762963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212376381496 + 20212376381497.

It is an arithmetic number, because the mean of its divisors is an integer number (20212376381497).

Almost surely, 2^{40424752762993} is an apocalyptic number.

It is an amenable number.

40424752762993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40424752762993 is an equidigital number, since it uses as much as digits as its factorization.

40424752762993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182891520, while the sum is 64.

The spelling of 40424752762993 in words is "forty trillion, four hundred twenty-four billion, seven hundred fifty-two million, seven hundred sixty-two thousand, nine hundred ninety-three".