149477340993 has 32 divisors (see below), whose sum is σ = 203321069952. Its totient is φ = 97655500800.

The previous prime is 149477340989. The next prime is 149477341009. The reversal of 149477340993 is 399043774941.

It is not a de Polignac number, because 149477340993 - 2² = 149477340989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149477340953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70740705 + ... + 70742817.

It is an arithmetic number, because the mean of its divisors is an integer number (6353783436).

Almost surely, 2^149477340993 is an apocalyptic number.

It is an amenable number.

149477340993 is a deficient number, since it is larger than the sum of its proper divisors (53843728959).

149477340993 is a wasteful number, since it uses less digits than its factorization.

149477340993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 149477340993 in words is "one hundred forty-nine billion, four hundred seventy-seven million, three hundred forty thousand, nine hundred ninety-three".