2096705657 has 2 divisors, whose sum is σ = 2096705658. Its totient is φ = 2096705656.

The previous prime is 2096705623. The next prime is 2096705687. The reversal of 2096705657 is 7565076902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2091781696 + 4923961 = 45736^2 + 2219^2 .

It is a cyclic number.

It is not a de Polignac number, because 2096705657 - 2⁶ = 2096705593 is a prime.

It is a super-2 number, since 2×2096705657² = 8792349224191603298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2096705617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048352828 + 1048352829.

It is an arithmetic number, because the mean of its divisors is an integer number (1048352829).

Almost surely, 2^2096705657 is an apocalyptic number.

It is an amenable number.

2096705657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2096705657 is an equidigital number, since it uses as much as digits as its factorization.

2096705657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 2096705657 is about 45789.7986127915. The cubic root of 2096705657 is about 1279.9091848411.

The spelling of 2096705657 in words is "two billion, ninety-six million, seven hundred five thousand, six hundred fifty-seven".