537452781103523 has 2 divisors, whose sum is σ = 537452781103524. Its totient is φ = 537452781103522.

The previous prime is 537452781103517. The next prime is 537452781103559. The reversal of 537452781103523 is 325301187254735.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 537452781103523 - 2⁴ = 537452781103507 is a prime.

It is a super-2 number, since 2×537452781103523² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (537452781103583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268726390551761 + 268726390551762.

It is an arithmetic number, because the mean of its divisors is an integer number (268726390551762).

Almost surely, 2^{537452781103523} is an apocalyptic number.

537452781103523 is a deficient number, since it is larger than the sum of its proper divisors (1).

537452781103523 is an equidigital number, since it uses as much as digits as its factorization.

537452781103523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 537452781103523 in words is "five hundred thirty-seven trillion, four hundred fifty-two billion, seven hundred eighty-one million, one hundred three thousand, five hundred twenty-three".