149417986650 has 24 divisors (see below), whose sum is σ = 370556607264. Its totient is φ = 39844796400.

The previous prime is 149417986637. The next prime is 149417986709. The reversal of 149417986650 is 56689714941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498059806 + ... + 498060105.

It is an arithmetic number, because the mean of its divisors is an integer number (15439858636).

Almost surely, 2^149417986650 is an apocalyptic number.

149417986650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149417986650 is an abundant number, since it is smaller than the sum of its proper divisors (221138620614).

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

149417986650 is a wasteful number, since it uses less digits than its factorization.

149417986650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996119926 (or 996119921 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 149417986650 in words is "one hundred forty-nine billion, four hundred seventeen million, nine hundred eighty-six thousand, six hundred fifty".