149691954376 has 8 divisors (see below), whose sum is σ = 280672414470. Its totient is φ = 74845977184.

The previous prime is 149691954367. The next prime is 149691954397. The reversal of 149691954376 is 673459196941.

149691954376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 122271906276 + 27420048100 = 349674^2 + 165590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9355747141 + ... + 9355747156.

Almost surely, 2^149691954376 is an apocalyptic number.

It is an amenable number.

149691954376 is a deficient number, since it is larger than the sum of its proper divisors (130980460094).

149691954376 is a wasteful number, since it uses less digits than its factorization.

149691954376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18711494303 (or 18711494299 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 64.

The spelling of 149691954376 in words is "one hundred forty-nine billion, six hundred ninety-one million, nine hundred fifty-four thousand, three hundred seventy-six".