149148979199 has 16 divisors (see below), whose sum is σ = 167775318144. Its totient is φ = 131428845600.

The previous prime is 149148979181. The next prime is 149148979201. The reversal of 149148979199 is 991979841941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149148979199 is a prime.

It is a super-2 number, since 2×149148979199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149148979159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492757 + ... + 1589534.

It is an arithmetic number, because the mean of its divisors is an integer number (10485957384).

Almost surely, 2^149148979199 is an apocalyptic number.

149148979199 is a deficient number, since it is larger than the sum of its proper divisors (18626338945).

149148979199 is a wasteful number, since it uses less digits than its factorization.

149148979199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082438.

The product of its digits is 52907904, while the sum is 71.

The spelling of 149148979199 in words is "one hundred forty-nine billion, one hundred forty-eight million, nine hundred seventy-nine thousand, one hundred ninety-nine".