15351426049 has 2 divisors, whose sum is σ = 15351426050. Its totient is φ = 15351426048.

The previous prime is 15351426047. The next prime is 15351426113. The reversal of 15351426049 is 94062415351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8571056400 + 6780369649 = 92580^2 + 82343^2 .

It is a cyclic number.

It is not a de Polignac number, because 15351426049 - 2¹ = 15351426047 is a prime.

Together with 15351426047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15351426043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7675713024 + 7675713025.

It is an arithmetic number, because the mean of its divisors is an integer number (7675713025).

Almost surely, 2^15351426049 is an apocalyptic number.

It is an amenable number.

15351426049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15351426049 is an equidigital number, since it uses as much as digits as its factorization.

15351426049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 15351426049 in words is "fifteen billion, three hundred fifty-one million, four hundred twenty-six thousand, forty-nine".