153739560493 has 2 divisors, whose sum is σ = 153739560494. Its totient is φ = 153739560492.

The previous prime is 153739560479. The next prime is 153739560511. The reversal of 153739560493 is 394065937351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150139200484 + 3600360009 = 387478^2 + 60003^2 .

It is an emirp because it is prime and its reverse (394065937351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153739560493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153739566493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76869780246 + 76869780247.

It is an arithmetic number, because the mean of its divisors is an integer number (76869780247).

Almost surely, 2^153739560493 is an apocalyptic number.

It is an amenable number.

153739560493 is a deficient number, since it is larger than the sum of its proper divisors (1).

153739560493 is an equidigital number, since it uses as much as digits as its factorization.

153739560493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9185400, while the sum is 55.

The spelling of 153739560493 in words is "one hundred fifty-three billion, seven hundred thirty-nine million, five hundred sixty thousand, four hundred ninety-three".