2102650802677 has 2 divisors, whose sum is σ = 2102650802678. Its totient is φ = 2102650802676.

The previous prime is 2102650802663. The next prime is 2102650802723. The reversal of 2102650802677 is 7762080562012.

It is an a-pointer prime, because the next prime (2102650802723) can be obtained adding 2102650802677 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100438605521 + 2212197156 = 1449289^2 + 47034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102650802677 - 2¹⁵ = 2102650769909 is a prime.

It is a super-2 number, since 2×2102650802677² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102650862677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051325401338 + 1051325401339.

It is an arithmetic number, because the mean of its divisors is an integer number (1051325401339).

Almost surely, 2^{2102650802677} is an apocalyptic number.

It is an amenable number.

2102650802677 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102650802677 is an equidigital number, since it uses as much as digits as its factorization.

2102650802677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 2102650802677 in words is "two trillion, one hundred two billion, six hundred fifty million, eight hundred two thousand, six hundred seventy-seven".