3721882457 has 2 divisors, whose sum is σ = 3721882458. Its totient is φ = 3721882456.

The previous prime is 3721882391. The next prime is 3721882459. The reversal of 3721882457 is 7542881273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3664970521 + 56911936 = 60539^2 + 7544^2 .

It is a cyclic number.

It is not a de Polignac number, because 3721882457 - 2¹⁴ = 3721866073 is a prime.

Together with 3721882459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3721882459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860941228 + 1860941229.

It is an arithmetic number, because the mean of its divisors is an integer number (1860941229).

Almost surely, 2^3721882457 is an apocalyptic number.

It is an amenable number.

3721882457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3721882457 is an equidigital number, since it uses as much as digits as its factorization.

3721882457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 47.

The square root of 3721882457 is about 61007.2328252970. The cubic root of 3721882457 is about 1549.7234965674.

The spelling of 3721882457 in words is "three billion, seven hundred twenty-one million, eight hundred eighty-two thousand, four hundred fifty-seven".