40531653013 has 2 divisors, whose sum is σ = 40531653014. Its totient is φ = 40531653012.

The previous prime is 40531652969. The next prime is 40531653017. The reversal of 40531653013 is 31035613504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31963003524 + 8568649489 = 178782^2 + 92567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40531653013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40531653017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20265826506 + 20265826507.

It is an arithmetic number, because the mean of its divisors is an integer number (20265826507).

Almost surely, 2^40531653013 is an apocalyptic number.

It is an amenable number.

40531653013 is a deficient number, since it is larger than the sum of its proper divisors (1).

40531653013 is an equidigital number, since it uses as much as digits as its factorization.

40531653013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

It can be divided in two parts, 405316 and 53013, that added together give a square (458329 = 677²).

The spelling of 40531653013 in words is "forty billion, five hundred thirty-one million, six hundred fifty-three thousand, thirteen".