3791973541 has 2 divisors, whose sum is σ = 3791973542. Its totient is φ = 3791973540.

The previous prime is 3791973511. The next prime is 3791973569. The reversal of 3791973541 is 1453791973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2290101025 + 1501872516 = 47855^2 + 38754^2 .

It is a cyclic number.

It is not a de Polignac number, because 3791973541 - 2²³ = 3783584933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3791973511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1895986770 + 1895986771.

It is an arithmetic number, because the mean of its divisors is an integer number (1895986771).

Almost surely, 2^3791973541 is an apocalyptic number.

It is an amenable number.

3791973541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3791973541 is an equidigital number, since it uses as much as digits as its factorization.

3791973541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 49.

The square root of 3791973541 is about 61579.0024358953. The cubic root of 3791973541 is about 1559.3912731563.

The spelling of 3791973541 in words is "three billion, seven hundred ninety-one million, nine hundred seventy-three thousand, five hundred forty-one".