3791903641 has 2 divisors, whose sum is σ = 3791903642. Its totient is φ = 3791903640.

The previous prime is 3791903623. The next prime is 3791903653. The reversal of 3791903641 is 1463091973.

3791903641 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3657830400 + 134073241 = 60480^2 + 11579^2 .

It is a cyclic number.

It is not a de Polignac number, because 3791903641 - 2²³ = 3783515033 is a prime.

It is not a weakly prime, because it can be changed into another prime (3791903611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895951820 + 1895951821.

It is an arithmetic number, because the mean of its divisors is an integer number (1895951821).

Almost surely, 2^3791903641 is an apocalyptic number.

It is an amenable number.

3791903641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3791903641 is an equidigital number, since it uses as much as digits as its factorization.

3791903641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 3791903641 is about 61578.4348696847. The cubic root of 3791903641 is about 1559.3816913278.

The spelling of 3791903641 in words is "three billion, seven hundred ninety-one million, nine hundred three thousand, six hundred forty-one".