149109543993 has 16 divisors (see below), whose sum is σ = 198980403200. Its totient is φ = 99322569360.

The previous prime is 149109543991. The next prime is 149109544039. The reversal of 149109543993 is 399345901941.

It is not a de Polignac number, because 149109543993 - 2¹ = 149109543991 is a prime.

It is a super-2 number, since 2×149109543993² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149109543991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29126088 + ... + 29131206.

It is an arithmetic number, because the mean of its divisors is an integer number (12436275200).

Almost surely, 2^149109543993 is an apocalyptic number.

It is an amenable number.

149109543993 is a deficient number, since it is larger than the sum of its proper divisors (49870859207).

149109543993 is a wasteful number, since it uses less digits than its factorization.

149109543993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412.

The product of its (nonzero) digits is 4723920, while the sum is 57.

The spelling of 149109543993 in words is "one hundred forty-nine billion, one hundred nine million, five hundred forty-three thousand, nine hundred ninety-three".