2690198767 has 2 divisors, whose sum is σ = 2690198768. Its totient is φ = 2690198766.

The previous prime is 2690198713. The next prime is 2690198801. The reversal of 2690198767 is 7678910962.

2690198767 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2690198767 - 2¹⁹ = 2689674479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690178767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345099383 + 1345099384.

It is an arithmetic number, because the mean of its divisors is an integer number (1345099384).

Almost surely, 2^2690198767 is an apocalyptic number.

2690198767 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690198767 is an equidigital number, since it uses as much as digits as its factorization.

2690198767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 2690198767 is about 51867.1260723013. The cubic root of 2690198767 is about 1390.7896703383.

The spelling of 2690198767 in words is "two billion, six hundred ninety million, one hundred ninety-eight thousand, seven hundred sixty-seven".