2623216693 has 2 divisors, whose sum is σ = 2623216694. Its totient is φ = 2623216692.

The previous prime is 2623216657. The next prime is 2623216697. The reversal of 2623216693 is 3966123262.

2623216693 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 can be written as a sum of positive squares in only one way, i.e., 1915550289 + 707666404 = 43767^2 + 26602^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623216693 - 2¹³ = 2623208501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2623216697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311608346 + 1311608347.

It is an arithmetic number, because the mean of its divisors is an integer number (1311608347).

Almost surely, 2^2623216693 is an apocalyptic number.

It is an amenable number.

2623216693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623216693 is an equidigital number, since it uses as much as digits as its factorization.

2623216693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 2623216693 is about 51217.3475787257. The cubic root of 2623216693 is about 1379.1496359137.

The spelling of 2623216693 in words is "two billion, six hundred twenty-three million, two hundred sixteen thousand, six hundred ninety-three".