40903307711993 has 2 divisors, whose sum is σ = 40903307711994. Its totient is φ = 40903307711992.

The previous prime is 40903307711953. The next prime is 40903307712037. The reversal of 40903307711993 is 39911770330904.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38364298107664 + 2539009604329 = 6193892^2 + 1593427^2 .

It is a cyclic number.

It is not a de Polignac number, because 40903307711993 - 2¹⁴ = 40903307695609 is a prime.

It is an iccanobiF number.

It is not a weakly prime, because it can be changed into another prime (40903307711953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20451653855996 + 20451653855997.

It is an arithmetic number, because the mean of its divisors is an integer number (20451653855997).

Almost surely, 2^{40903307711993} is an apocalyptic number.

It is an amenable number.

40903307711993 is a deficient number, since it is larger than the sum of its proper divisors (1).

40903307711993 is an equidigital number, since it uses as much as digits as its factorization.

40903307711993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3857868, while the sum is 56.

The spelling of 40903307711993 in words is "forty trillion, nine hundred three billion, three hundred seven million, seven hundred eleven thousand, nine hundred ninety-three".