74849499151 has 6 divisors (see below), whose sum is σ = 87069825600. Its totient is φ = 64156713516.

The previous prime is 74849499149. The next prime is 74849499157. The reversal of 74849499151 is 15199494847.

It is not a de Polignac number, because 74849499151 - 2¹ = 74849499149 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 74849499151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74849499157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 763770351 + ... + 763770448.

It is an arithmetic number, because the mean of its divisors is an integer number (14511637600).

Almost surely, 2^74849499151 is an apocalyptic number.

74849499151 is a deficient number, since it is larger than the sum of its proper divisors (12220326449).

74849499151 is a wasteful number, since it uses less digits than its factorization.

74849499151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527540813 (or 1527540806 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 74849499151 in words is "seventy-four billion, eight hundred forty-nine million, four hundred ninety-nine thousand, one hundred fifty-one".