149850980291 has 2 divisors, whose sum is σ = 149850980292. Its totient is φ = 149850980290.

The previous prime is 149850980287. The next prime is 149850980369. The reversal of 149850980291 is 192089058941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149850980291 - 2² = 149850980287 is a prime.

It is not a weakly prime, because it can be changed into another prime (149850980261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74925490145 + 74925490146.

It is an arithmetic number, because the mean of its divisors is an integer number (74925490146).

Almost surely, 2^149850980291 is an apocalyptic number.

149850980291 is a deficient number, since it is larger than the sum of its proper divisors (1).

149850980291 is an equidigital number, since it uses as much as digits as its factorization.

149850980291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 56.

The spelling of 149850980291 in words is "one hundred forty-nine billion, eight hundred fifty million, nine hundred eighty thousand, two hundred ninety-one".