2674785149 has 4 divisors (see below), whose sum is σ = 2674955580. Its totient is φ = 2674614720.

The previous prime is 2674785109. The next prime is 2674785163. The reversal of 2674785149 is 9415874762.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1182121924 + 1492663225 = 34382^2 + 38635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2674785149 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 2674785149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2674785109) 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, 58982 + ... + 93959.

It is an arithmetic number, because the mean of its divisors is an integer number (668738895).

Almost surely, 2^2674785149 is an apocalyptic number.

It is an amenable number.

2674785149 is a deficient number, since it is larger than the sum of its proper divisors (170431).

2674785149 is a wasteful number, since it uses less digits than its factorization.

2674785149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170430.

The product of its digits is 3386880, while the sum is 53.

The square root of 2674785149 is about 51718.3250792212. The cubic root of 2674785149 is about 1388.1283833237.

The spelling of 2674785149 in words is "two billion, six hundred seventy-four million, seven hundred eighty-five thousand, one hundred forty-nine".