149674577433 has 4 divisors (see below), whose sum is σ = 199566103248. Its totient is φ = 99783051620.

The previous prime is 149674577431. The next prime is 149674577467. The reversal of 149674577433 is 334775476941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149674577433 - 2¹ = 149674577431 is a prime.

It is a super-2 number, since 2×149674577433² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149674577431) 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, 24945762903 + ... + 24945762908.

It is an arithmetic number, because the mean of its divisors is an integer number (49891525812).

Almost surely, 2^149674577433 is an apocalyptic number.

It is an amenable number.

149674577433 is a deficient number, since it is larger than the sum of its proper divisors (49891525815).

149674577433 is an equidigital number, since it uses as much as digits as its factorization.

149674577433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49891525814.

The product of its digits is 53343360, while the sum is 60.

The spelling of 149674577433 in words is "one hundred forty-nine billion, six hundred seventy-four million, five hundred seventy-seven thousand, four hundred thirty-three".