149947963794 has 24 divisors (see below), whose sum is σ = 324894374220. Its totient is φ = 49981559328.

The previous prime is 149947963793. The next prime is 149947963819. The reversal of 149947963794 is 497369749941.

149947963794 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 479 + 63 + 7 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 148853214225 + 1094749569 = 385815^2 + 33087^2 .

It is not an unprimeable number, because it can be changed into a prime (149947963793) 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 11 ways as a sum of consecutive naturals, for example, 1586844 + ... + 1678680.

Almost surely, 2^149947963794 is an apocalyptic number.

149947963794 is an abundant number, since it is smaller than the sum of its proper divisors (174946410426).

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

149947963794 is a wasteful number, since it uses less digits than its factorization.

149947963794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182554 (or 182551 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 149947963794 in words is "one hundred forty-nine billion, nine hundred forty-seven million, nine hundred sixty-three thousand, seven hundred ninety-four".