149326987943 has 8 divisors (see below), whose sum is σ = 175271831712. Its totient is φ = 124535248416.

The previous prime is 149326987933. The next prime is 149326987961. The reversal of 149326987943 is 349789623941.

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

It is a cyclic number.

It is not a de Polignac number, because 149326987943 - 2²² = 149322793639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149326987943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149326987933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288275780 + ... + 288276297.

It is an arithmetic number, because the mean of its divisors is an integer number (21908978964).

Almost surely, 2^149326987943 is an apocalyptic number.

149326987943 is a deficient number, since it is larger than the sum of its proper divisors (25944843769).

149326987943 is an equidigital number, since it uses as much as digits as its factorization.

149326987943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576552121.

The product of its digits is 70543872, while the sum is 65.

The spelling of 149326987943 in words is "one hundred forty-nine billion, three hundred twenty-six million, nine hundred eighty-seven thousand, nine hundred forty-three".