149349053909 has 8 divisors (see below), whose sum is σ = 162939907200. Its totient is φ = 135760478400.

The previous prime is 149349053897. The next prime is 149349053977. The reversal of 149349053909 is 909350943941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149349053909 - 2¹² = 149349049813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149349053999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430877 + ... + 695954.

It is an arithmetic number, because the mean of its divisors is an integer number (20367488400).

Almost surely, 2^149349053909 is an apocalyptic number.

It is an amenable number.

149349053909 is a deficient number, since it is larger than the sum of its proper divisors (13590853291).

149349053909 is a wasteful number, since it uses less digits than its factorization.

149349053909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138891.

The product of its (nonzero) digits is 4723920, while the sum is 56.

The spelling of 149349053909 in words is "one hundred forty-nine billion, three hundred forty-nine million, fifty-three thousand, nine hundred nine".