149421693724950 has 48 divisors (see below), whose sum is σ = 371559274572816. Its totient is φ = 39738959817600.

The previous prime is 149421693724921. The next prime is 149421693724957. The reversal of 149421693724950 is 59427396124941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149421693724957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335258561 + ... + 1335370460.

It is an arithmetic number, because the mean of its divisors is an integer number (7740818220267).

Almost surely, 2^{149421693724950} is an apocalyptic number.

149421693724950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149421693724950 is an abundant number, since it is smaller than the sum of its proper divisors (222137580847866).

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

149421693724950 is a wasteful number, since it uses less digits than its factorization.

149421693724950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670629409 (or 2670629404 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 149421693724950 in words is "one hundred forty-nine trillion, four hundred twenty-one billion, six hundred ninety-three million, seven hundred twenty-four thousand, nine hundred fifty".