149479584757 has 4 divisors (see below), whose sum is σ = 150262200576. Its totient is φ = 148696968940.

The previous prime is 149479584707. The next prime is 149479584851. The reversal of 149479584757 is 757485974941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 757485974941 = 887 ⋅853986443.

It is a cyclic number.

It is not a de Polignac number, because 149479584757 - 2⁷ = 149479584629 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 (149479584707) 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 3 ways as a sum of consecutive naturals, for example, 391307623 + ... + 391308004.

It is an arithmetic number, because the mean of its divisors is an integer number (37565550144).

Almost surely, 2^149479584757 is an apocalyptic number.

It is an amenable number.

149479584757 is a deficient number, since it is larger than the sum of its proper divisors (782615819).

149479584757 is an equidigital number, since it uses as much as digits as its factorization.

149479584757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782615818.

The product of its digits is 355622400, while the sum is 70.

The spelling of 149479584757 in words is "one hundred forty-nine billion, four hundred seventy-nine million, five hundred eighty-four thousand, seven hundred fifty-seven".