537513013997 has 2 divisors, whose sum is σ = 537513013998. Its totient is φ = 537513013996.

The previous prime is 537513013957. The next prime is 537513014069. The reversal of 537513013997 is 799310315735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323056961161 + 214456052836 = 568381^2 + 463094^2 .

It is a cyclic number.

It is not a de Polignac number, because 537513013997 - 2²² = 537508819693 is a prime.

It is a super-2 number, since 2×537513013997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537513013957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268756506998 + 268756506999.

It is an arithmetic number, because the mean of its divisors is an integer number (268756506999).

Almost surely, 2^537513013997 is an apocalyptic number.

It is an amenable number.

537513013997 is a deficient number, since it is larger than the sum of its proper divisors (1).

537513013997 is an equidigital number, since it uses as much as digits as its factorization.

537513013997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2679075, while the sum is 53.

The spelling of 537513013997 in words is "five hundred thirty-seven billion, five hundred thirteen million, thirteen thousand, nine hundred ninety-seven".