2642693 has 2 divisors, whose sum is σ = 2642694. Its totient is φ = 2642692.

The previous prime is 2642639. The next prime is 2642699. The reversal of 2642693 is 3962462.

Together with previous prime (2642639) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1940449 + 702244 = 1393^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642693 - 2¹⁰ = 2641669 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321346 + 1321347.

It is an arithmetic number, because the mean of its divisors is an integer number (1321347).

2^2642693 is an apocalyptic number.

It is an amenable number.

2642693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642693 is an equidigital number, since it uses as much as digits as its factorization.

2642693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 2642693 is about 1625.6361831603. The cubic root of 2642693 is about 138.2554429981.

The spelling of 2642693 in words is "two million, six hundred forty-two thousand, six hundred ninety-three".