40553056613 has 2 divisors, whose sum is σ = 40553056614. Its totient is φ = 40553056612.

The previous prime is 40553056571. The next prime is 40553056633. The reversal of 40553056613 is 31665035504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36152459044 + 4400597569 = 190138^2 + 66337^2 .

It is a cyclic number.

It is not a de Polignac number, because 40553056613 - 2¹⁰ = 40553055589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40553056633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276528306 + 20276528307.

It is an arithmetic number, because the mean of its divisors is an integer number (20276528307).

Almost surely, 2^40553056613 is an apocalyptic number.

It is an amenable number.

40553056613 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553056613 is an equidigital number, since it uses as much as digits as its factorization.

40553056613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 40553056613 in words is "forty billion, five hundred fifty-three million, fifty-six thousand, six hundred thirteen".