3774793149 has 18 divisors (see below), whose sum is σ = 5641979070. Its totient is φ = 2429113008.

The previous prime is 3774793147. The next prime is 3774793153. The reversal of 3774793149 is 9413974773.

3774793149 is a `hidden beast` number, since 377 + 47 + 93 + 149 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3254132025 + 520661124 = 57045^2 + 22818^2 .

It is not a de Polignac number, because 3774793149 - 2¹ = 3774793147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3774793095 and 3774793104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774793147) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 990682 + ... + 994484.

Almost surely, 2^3774793149 is an apocalyptic number.

It is an amenable number.

3774793149 is a deficient number, since it is larger than the sum of its proper divisors (1867185921).

3774793149 is an frugal number, since it uses more digits than its factorization.

3774793149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641 (or 3835 counting only the distinct ones).

The product of its digits is 4000752, while the sum is 54.

The square root of 3774793149 is about 61439.3452845976. The cubic root of 3774793149 is about 1557.0326494268.

It can be divided in two parts, 377479 and 3149, that added together give a triangular number (380628 = T₈₇₂).

The spelling of 3774793149 in words is "three billion, seven hundred seventy-four million, seven hundred ninety-three thousand, one hundred forty-nine".