450502402993 has 2 divisors, whose sum is σ = 450502402994. Its totient is φ = 450502402992.

The previous prime is 450502402981. The next prime is 450502403033. The reversal of 450502402993 is 399204205054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445914101824 + 4588301169 = 667768^2 + 67737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450502402993 is a prime.

It is not a weakly prime, because it can be changed into another prime (450502402943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225251201496 + 225251201497.

It is an arithmetic number, because the mean of its divisors is an integer number (225251201497).

Almost surely, 2^450502402993 is an apocalyptic number.

It is an amenable number.

450502402993 is a deficient number, since it is larger than the sum of its proper divisors (1).

450502402993 is an equidigital number, since it uses as much as digits as its factorization.

450502402993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 450502402993 in words is "four hundred fifty billion, five hundred two million, four hundred two thousand, nine hundred ninety-three".