2683787572457 has 2 divisors, whose sum is σ = 2683787572458. Its totient is φ = 2683787572456.

The previous prime is 2683787572381. The next prime is 2683787572507. The reversal of 2683787572457 is 7542757873862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2503828357801 + 179959214656 = 1582349^2 + 424216^2 .

It is a cyclic number.

It is not a de Polignac number, because 2683787572457 - 2¹⁶ = 2683787506921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2683787572357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341893786228 + 1341893786229.

It is an arithmetic number, because the mean of its divisors is an integer number (1341893786229).

Almost surely, 2^{2683787572457} is an apocalyptic number.

It is an amenable number.

2683787572457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2683787572457 is an equidigital number, since it uses as much as digits as its factorization.

2683787572457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1106380800, while the sum is 71.

The spelling of 2683787572457 in words is "two trillion, six hundred eighty-three billion, seven hundred eighty-seven million, five hundred seventy-two thousand, four hundred fifty-seven".