149833439879 has 2 divisors, whose sum is σ = 149833439880. Its totient is φ = 149833439878.

The previous prime is 149833439771. The next prime is 149833439881. The reversal of 149833439879 is 978934338941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149833439879 - 2¹² = 149833435783 is a prime.

Together with 149833439881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149833439279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74916719939 + 74916719940.

It is an arithmetic number, because the mean of its divisors is an integer number (74916719940).

Almost surely, 2^149833439879 is an apocalyptic number.

149833439879 is a deficient number, since it is larger than the sum of its proper divisors (1).

149833439879 is an equidigital number, since it uses as much as digits as its factorization.

149833439879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 68.

The spelling of 149833439879 in words is "one hundred forty-nine billion, eight hundred thirty-three million, four hundred thirty-nine thousand, eight hundred seventy-nine".