149799068964 has 18 divisors (see below), whose sum is σ = 378658757750. Its totient is φ = 49933022976.

The previous prime is 149799068941. The next prime is 149799068981. The reversal of 149799068964 is 469860997941.

It can be written as a sum of positive squares in only one way, i.e., 126030680064 + 23768388900 = 355008^2 + 154170^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×149799068964² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149799068892 and 149799068901.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2080542589 + ... + 2080542660.

Almost surely, 2^149799068964 is an apocalyptic number.

It is an amenable number.

149799068964 is an abundant number, since it is smaller than the sum of its proper divisors (228859688786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149799068964 is a wasteful number, since it uses less digits than its factorization.

149799068964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161085259 (or 4161085254 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 149799068964 in words is "one hundred forty-nine billion, seven hundred ninety-nine million, sixty-eight thousand, nine hundred sixty-four".