40424569513 has 2 divisors, whose sum is σ = 40424569514. Its totient is φ = 40424569512.

The previous prime is 40424569487. The next prime is 40424569541. The reversal of 40424569513 is 31596542404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40381706304 + 42863209 = 200952^2 + 6547^2 .

It is a cyclic number.

It is not a de Polignac number, because 40424569513 - 2¹³ = 40424561321 is a prime.

It is a super-2 number, since 2×40424569513² (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 40424569513.

It is not a weakly prime, because it can be changed into another prime (40424579513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212284756 + 20212284757.

It is an arithmetic number, because the mean of its divisors is an integer number (20212284757).

Almost surely, 2^40424569513 is an apocalyptic number.

It is an amenable number.

40424569513 is a deficient number, since it is larger than the sum of its proper divisors (1).

40424569513 is an equidigital number, since it uses as much as digits as its factorization.

40424569513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 40424569513 in words is "forty billion, four hundred twenty-four million, five hundred sixty-nine thousand, five hundred thirteen".