3791391652 has 6 divisors (see below), whose sum is σ = 6634935398. Its totient is φ = 1895695824.

The previous prime is 3791391641. The next prime is 3791391677. The reversal of 3791391652 is 2561931973.

3791391652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2387690496 + 1403701156 = 48864^2 + 37466^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473923953 + ... + 473923960.

Almost surely, 2^3791391652 is an apocalyptic number.

It is an amenable number.

3791391652 is a deficient number, since it is larger than the sum of its proper divisors (2843543746).

3791391652 is a wasteful number, since it uses less digits than its factorization.

3791391652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947847917 (or 947847915 counting only the distinct ones).

The product of its digits is 306180, while the sum is 46.

The square root of 3791391652 is about 61574.2775191070. The cubic root of 3791391652 is about 1559.3115047510.

The spelling of 3791391652 in words is "three billion, seven hundred ninety-one million, three hundred ninety-one thousand, six hundred fifty-two".