149759667391 has 2 divisors, whose sum is σ = 149759667392. Its totient is φ = 149759667390.

The previous prime is 149759667377. The next prime is 149759667397. The reversal of 149759667391 is 193766957941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149759667391 - 2²⁵ = 149726112959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149759667397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74879833695 + 74879833696.

It is an arithmetic number, because the mean of its divisors is an integer number (74879833696).

Almost surely, 2^149759667391 is an apocalyptic number.

149759667391 is a deficient number, since it is larger than the sum of its proper divisors (1).

149759667391 is an equidigital number, since it uses as much as digits as its factorization.

149759667391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77157360, while the sum is 67.

The spelling of 149759667391 in words is "one hundred forty-nine billion, seven hundred fifty-nine million, six hundred sixty-seven thousand, three hundred ninety-one".