149467917020 has 12 divisors (see below), whose sum is σ = 313882625784. Its totient is φ = 59787166800.

The previous prime is 149467917019. The next prime is 149467917023. The reversal of 149467917020 is 20719764941.

It is a self number, because there is not a number n which added to its sum of digits gives 149467917020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149467917023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736697906 + ... + 3736697945.

It is an arithmetic number, because the mean of its divisors is an integer number (26156885482).

Almost surely, 2^149467917020 is an apocalyptic number.

149467917020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149467917020 is an abundant number, since it is smaller than the sum of its proper divisors (164414708764).

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

149467917020 is a wasteful number, since it uses less digits than its factorization.

149467917020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473395860 (or 7473395858 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 149467917020 in words is "one hundred forty-nine billion, four hundred sixty-seven million, nine hundred seventeen thousand, twenty".