149451074793 has 12 divisors (see below), whose sum is σ = 215884151028. Its totient is φ = 99629260800.

The previous prime is 149451074777. The next prime is 149451074809. The reversal of 149451074793 is 397470154941.

149451074793 is a `hidden beast` number, since 1 + 494 + 5 + 10 + 74 + 79 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (149451074777) and next prime (149451074809).

It can be written as a sum of positive squares in 2 ways, for example, as 85941026649 + 63510048144 = 293157^2 + 252012^2 .

It is not a de Polignac number, because 149451074793 - 2⁴ = 149451074777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149451070793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196008 + ... + 580793.

It is an arithmetic number, because the mean of its divisors is an integer number (17990345919).

Almost surely, 2^149451074793 is an apocalyptic number.

It is an amenable number.

149451074793 is a deficient number, since it is larger than the sum of its proper divisors (66433076235).

149451074793 is a wasteful number, since it uses less digits than its factorization.

149451074793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798184 (or 798181 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 149451074793 in words is "one hundred forty-nine billion, four hundred fifty-one million, seventy-four thousand, seven hundred ninety-three".