13021998053 has 2 divisors, whose sum is σ = 13021998054. Its totient is φ = 13021998052.

The previous prime is 13021998047. The next prime is 13021998103. The reversal of 13021998053 is 35089912031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12482922529 + 539075524 = 111727^2 + 23218^2 .

It is a cyclic number.

It is not a de Polignac number, because 13021998053 - 2⁸ = 13021997797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13021998053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021998653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510999026 + 6510999027.

It is an arithmetic number, because the mean of its divisors is an integer number (6510999027).

Almost surely, 2^13021998053 is an apocalyptic number.

It is an amenable number.

13021998053 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021998053 is an equidigital number, since it uses as much as digits as its factorization.

13021998053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 13021998053 in words is "thirteen billion, twenty-one million, nine hundred ninety-eight thousand, fifty-three".