149744970893 has 8 divisors (see below), whose sum is σ = 172484646912. Its totient is φ = 127342179216.

The previous prime is 149744970841. The next prime is 149744970901. The reversal of 149744970893 is 398079447941.

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

It is not a de Polignac number, because 149744970893 - 2²⁶ = 149677862029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149744970803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84220130 + ... + 84221907.

It is an arithmetic number, because the mean of its divisors is an integer number (21560580864).

Almost surely, 2^149744970893 is an apocalyptic number.

It is an amenable number.

149744970893 is a deficient number, since it is larger than the sum of its proper divisors (22739676019).

149744970893 is a wasteful number, since it uses less digits than its factorization.

149744970893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168442171.

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 149744970893 in words is "one hundred forty-nine billion, seven hundred forty-four million, nine hundred seventy thousand, eight hundred ninety-three".