15752252639 has 2 divisors, whose sum is σ = 15752252640. Its totient is φ = 15752252638.

The previous prime is 15752252599. The next prime is 15752252653. The reversal of 15752252639 is 93625225751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15752252639 - 2¹⁶ = 15752187103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15752252593 and 15752252602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15752252669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7876126319 + 7876126320.

It is an arithmetic number, because the mean of its divisors is an integer number (7876126320).

Almost surely, 2^15752252639 is an apocalyptic number.

15752252639 is a deficient number, since it is larger than the sum of its proper divisors (1).

15752252639 is an equidigital number, since it uses as much as digits as its factorization.

15752252639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The spelling of 15752252639 in words is "fifteen billion, seven hundred fifty-two million, two hundred fifty-two thousand, six hundred thirty-nine".