40461236593 has 2 divisors, whose sum is σ = 40461236594. Its totient is φ = 40461236592.

The previous prime is 40461236561. The next prime is 40461236639. The reversal of 40461236593 is 39563216404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40456092769 + 5143824 = 201137^2 + 2268^2 .

It is a cyclic number.

It is not a de Polignac number, because 40461236593 - 2⁵ = 40461236561 is a prime.

It is a super-2 number, since 2×40461236593² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40461236513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20230618296 + 20230618297.

It is an arithmetic number, because the mean of its divisors is an integer number (20230618297).

Almost surely, 2^40461236593 is an apocalyptic number.

It is an amenable number.

40461236593 is a deficient number, since it is larger than the sum of its proper divisors (1).

40461236593 is an equidigital number, since it uses as much as digits as its factorization.

40461236593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 40461236593 in words is "forty billion, four hundred sixty-one million, two hundred thirty-six thousand, five hundred ninety-three".