149723592513 has 16 divisors (see below), whose sum is σ = 217810169856. Its totient is φ = 90728905040.

The previous prime is 149723592509. The next prime is 149723592617. The reversal of 149723592513 is 315295327941.

It is a cyclic number.

It is not a de Polignac number, because 149723592513 - 2² = 149723592509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149723592013) 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, 73881 + ... + 552182.

It is an arithmetic number, because the mean of its divisors is an integer number (13613135616).

Almost surely, 2^149723592513 is an apocalyptic number.

It is an amenable number.

149723592513 is a deficient number, since it is larger than the sum of its proper divisors (68086577343).

149723592513 is a wasteful number, since it uses less digits than its factorization.

149723592513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633324.

The product of its digits is 2041200, while the sum is 51.

The spelling of 149723592513 in words is "one hundred forty-nine billion, seven hundred twenty-three million, five hundred ninety-two thousand, five hundred thirteen".