149155305659 has 2 divisors, whose sum is σ = 149155305660. Its totient is φ = 149155305658.

The previous prime is 149155305599. The next prime is 149155305671. The reversal of 149155305659 is 956503551941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149155305659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149155305659.

It is not a weakly prime, because it can be changed into another prime (149155305259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74577652829 + 74577652830.

It is an arithmetic number, because the mean of its divisors is an integer number (74577652830).

Almost surely, 2^149155305659 is an apocalyptic number.

149155305659 is a deficient number, since it is larger than the sum of its proper divisors (1).

149155305659 is an equidigital number, since it uses as much as digits as its factorization.

149155305659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3645000, while the sum is 53.

The spelling of 149155305659 in words is "one hundred forty-nine billion, one hundred fifty-five million, three hundred five thousand, six hundred fifty-nine".