15150136649 has 2 divisors, whose sum is σ = 15150136650. Its totient is φ = 15150136648.

The previous prime is 15150136613. The next prime is 15150136669. The reversal of 15150136649 is 94663105151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14043909049 + 1106227600 = 118507^2 + 33260^2 .

It is a cyclic number.

It is not a de Polignac number, because 15150136649 - 2¹² = 15150132553 is a prime.

It is not a weakly prime, because it can be changed into another prime (15150136669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575068324 + 7575068325.

It is an arithmetic number, because the mean of its divisors is an integer number (7575068325).

Almost surely, 2^15150136649 is an apocalyptic number.

It is an amenable number.

15150136649 is a deficient number, since it is larger than the sum of its proper divisors (1).

15150136649 is an equidigital number, since it uses as much as digits as its factorization.

15150136649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 15150136649 in words is "fifteen billion, one hundred fifty million, one hundred thirty-six thousand, six hundred forty-nine".