149930809682 has 8 divisors (see below), whose sum is σ = 224943745356. Its totient is φ = 74949561232.

The previous prime is 149930809673. The next prime is 149930809703. The reversal of 149930809682 is 286908039941.

It is a Cunningham number, because it is equal to 387209²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 149930809681 + 1 = 387209^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×149930809682² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7909973 + ... + 7928904.

Almost surely, 2^149930809682 is an apocalyptic number.

149930809682 is a deficient number, since it is larger than the sum of its proper divisors (75012935674).

149930809682 is a wasteful number, since it uses less digits than its factorization.

149930809682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843612.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 149930809682 in words is "one hundred forty-nine billion, nine hundred thirty million, eight hundred nine thousand, six hundred eighty-two".