15061689413 has 2 divisors, whose sum is σ = 15061689414. Its totient is φ = 15061689412.

The previous prime is 15061689361. The next prime is 15061689509. The reversal of 15061689413 is 31498616051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12177784609 + 2883904804 = 110353^2 + 53702^2 .

It is a cyclic number.

It is not a de Polignac number, because 15061689413 - 2²² = 15057495109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15061689113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530844706 + 7530844707.

It is an arithmetic number, because the mean of its divisors is an integer number (7530844707).

Almost surely, 2^15061689413 is an apocalyptic number.

It is an amenable number.

15061689413 is a deficient number, since it is larger than the sum of its proper divisors (1).

15061689413 is an equidigital number, since it uses as much as digits as its factorization.

15061689413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 15061689413 in words is "fifteen billion, sixty-one million, six hundred eighty-nine thousand, four hundred thirteen".