149079317293 has 2 divisors, whose sum is σ = 149079317294. Its totient is φ = 149079317292.

The previous prime is 149079317273. The next prime is 149079317311. The reversal of 149079317293 is 392713970941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148265812809 + 813504484 = 385053^2 + 28522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149079317293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149079317273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74539658646 + 74539658647.

It is an arithmetic number, because the mean of its divisors is an integer number (74539658647).

Almost surely, 2^149079317293 is an apocalyptic number.

It is an amenable number.

149079317293 is a deficient number, since it is larger than the sum of its proper divisors (1).

149079317293 is an equidigital number, since it uses as much as digits as its factorization.

149079317293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The spelling of 149079317293 in words is "one hundred forty-nine billion, seventy-nine million, three hundred seventeen thousand, two hundred ninety-three".