2116402248677 has 2 divisors, whose sum is σ = 2116402248678. Its totient is φ = 2116402248676.

The previous prime is 2116402248673. The next prime is 2116402248689. The reversal of 2116402248677 is 7768422046112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030699100676 + 85703148001 = 1425026^2 + 292751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116402248677 - 2² = 2116402248673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116402248673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058201124338 + 1058201124339.

It is an arithmetic number, because the mean of its divisors is an integer number (1058201124339).

Almost surely, 2^{2116402248677} is an apocalyptic number.

It is an amenable number.

2116402248677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116402248677 is an equidigital number, since it uses as much as digits as its factorization.

2116402248677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 2116402248677 in words is "two trillion, one hundred sixteen billion, four hundred two million, two hundred forty-eight thousand, six hundred seventy-seven".