149799068901 has 40 divisors (see below), whose sum is σ = 229455961944. Its totient is φ = 97359252480.

The previous prime is 149799068891. The next prime is 149799068927. The reversal of 149799068901 is 109860997941.

It can be written as a sum of positive squares in 4 ways, for example, as 127577025 + 149671491876 = 11295^2 + 386874^2 .

It is not a de Polignac number, because 149799068901 - 2¹⁷ = 149798937829 is a prime.

It is a super-2 number, since 2×149799068901² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149799068941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 424185 + ... + 692481.

Almost surely, 2^149799068901 is an apocalyptic number.

It is an amenable number.

149799068901 is a deficient number, since it is larger than the sum of its proper divisors (79656893043).

149799068901 is a wasteful number, since it uses less digits than its factorization.

149799068901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268483 (or 268474 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 63.

The spelling of 149799068901 in words is "one hundred forty-nine billion, seven hundred ninety-nine million, sixty-eight thousand, nine hundred one".