13503652373 has 2 divisors, whose sum is σ = 13503652374. Its totient is φ = 13503652372.

The previous prime is 13503652277. The next prime is 13503652397. The reversal of 13503652373 is 37325630531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432114609 + 71537764 = 115897^2 + 8458^2 .

It is a cyclic number.

It is not a de Polignac number, because 13503652373 - 2²² = 13499458069 is a prime.

It is a super-2 number, since 2×13503652373² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13506652373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6751826186 + 6751826187.

It is an arithmetic number, because the mean of its divisors is an integer number (6751826187).

Almost surely, 2^13503652373 is an apocalyptic number.

It is an amenable number.

13503652373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13503652373 is an equidigital number, since it uses as much as digits as its factorization.

13503652373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 38.

The spelling of 13503652373 in words is "thirteen billion, five hundred three million, six hundred fifty-two thousand, three hundred seventy-three".