3402577550861 has 2 divisors, whose sum is σ = 3402577550862. Its totient is φ = 3402577550860.

The previous prime is 3402577550821. The next prime is 3402577550881. The reversal of 3402577550861 is 1680557752043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3354278697961 + 48298852900 = 1831469^2 + 219770^2 .

It is a cyclic number.

It is not a de Polignac number, because 3402577550861 - 2¹⁸ = 3402577288717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3402577550821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701288775430 + 1701288775431.

It is an arithmetic number, because the mean of its divisors is an integer number (1701288775431).

Almost surely, 2^{3402577550861} is an apocalyptic number.

It is an amenable number.

3402577550861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3402577550861 is an equidigital number, since it uses as much as digits as its factorization.

3402577550861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 3402577550861 in words is "three trillion, four hundred two billion, five hundred seventy-seven million, five hundred fifty thousand, eight hundred sixty-one".