15742734382757 has 2 divisors, whose sum is σ = 15742734382758. Its totient is φ = 15742734382756.

The previous prime is 15742734382723. The next prime is 15742734382763. The reversal of 15742734382757 is 75728343724751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13185802263076 + 2556932119681 = 3631226^2 + 1599041^2 .

It is a cyclic number.

It is not a de Polignac number, because 15742734382757 - 2²⁴ = 15742717605541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15742734382693 and 15742734382702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15742734382787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7871367191378 + 7871367191379.

It is an arithmetic number, because the mean of its divisors is an integer number (7871367191379).

Almost surely, 2^{15742734382757} is an apocalyptic number.

It is an amenable number.

15742734382757 is a deficient number, since it is larger than the sum of its proper divisors (1).

15742734382757 is an equidigital number, since it uses as much as digits as its factorization.

15742734382757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276595200, while the sum is 65.

The spelling of 15742734382757 in words is "fifteen trillion, seven hundred forty-two billion, seven hundred thirty-four million, three hundred eighty-two thousand, seven hundred fifty-seven".