152542499393 has 2 divisors, whose sum is σ = 152542499394. Its totient is φ = 152542499392.

The previous prime is 152542499387. The next prime is 152542499401. The reversal of 152542499393 is 393994245251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143992168369 + 8550331024 = 379463^2 + 92468^2 .

It is a cyclic number.

It is not a de Polignac number, because 152542499393 - 2¹² = 152542495297 is a prime.

It is not a weakly prime, because it can be changed into another prime (152542459393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76271249696 + 76271249697.

It is an arithmetic number, because the mean of its divisors is an integer number (76271249697).

Almost surely, 2^152542499393 is an apocalyptic number.

It is an amenable number.

152542499393 is a deficient number, since it is larger than the sum of its proper divisors (1).

152542499393 is an equidigital number, since it uses as much as digits as its factorization.

152542499393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10497600, while the sum is 56.

The spelling of 152542499393 in words is "one hundred fifty-two billion, five hundred forty-two million, four hundred ninety-nine thousand, three hundred ninety-three".