149971230379 has 2 divisors, whose sum is σ = 149971230380. Its totient is φ = 149971230378.

The previous prime is 149971230347. The next prime is 149971230403. The reversal of 149971230379 is 973032179941.

It is a strong prime.

It is an emirp because it is prime and its reverse (973032179941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149971230379 - 2⁵ = 149971230347 is a prime.

It is not a weakly prime, because it can be changed into another prime (149971230679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74985615189 + 74985615190.

It is an arithmetic number, because the mean of its divisors is an integer number (74985615190).

Almost surely, 2^149971230379 is an apocalyptic number.

149971230379 is a deficient number, since it is larger than the sum of its proper divisors (1).

149971230379 is an equidigital number, since it uses as much as digits as its factorization.

149971230379 is an evil number, because the sum of its binary digits is even.

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

The spelling of 149971230379 in words is "one hundred forty-nine billion, nine hundred seventy-one million, two hundred thirty thousand, three hundred seventy-nine".