3421051657 has 2 divisors, whose sum is σ = 3421051658. Its totient is φ = 3421051656.

The previous prime is 3421051639. The next prime is 3421051721. The reversal of 3421051657 is 7561501243.

3421051657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1711973376 + 1709078281 = 41376^2 + 41341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421051657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421051057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710525828 + 1710525829.

It is an arithmetic number, because the mean of its divisors is an integer number (1710525829).

Almost surely, 2^3421051657 is an apocalyptic number.

It is an amenable number.

3421051657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421051657 is an equidigital number, since it uses as much as digits as its factorization.

3421051657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3421051657 is about 58489.7568553674. The cubic root of 3421051657 is about 1506.7916701036.

The spelling of 3421051657 in words is "three billion, four hundred twenty-one million, fifty-one thousand, six hundred fifty-seven".