2142625663 has 2 divisors, whose sum is σ = 2142625664. Its totient is φ = 2142625662.

The previous prime is 2142625609. The next prime is 2142625721. The reversal of 2142625663 is 3665262412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142625663 - 2⁹ = 2142625151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142625603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071312831 + 1071312832.

It is an arithmetic number, because the mean of its divisors is an integer number (1071312832).

Almost surely, 2^2142625663 is an apocalyptic number.

2142625663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142625663 is an equidigital number, since it uses as much as digits as its factorization.

2142625663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 37.

The square root of 2142625663 is about 46288.5046528833. The cubic root of 2142625663 is about 1289.1855650808.

It can be divided in two parts, 21426 and 25663, that added together give a square (47089 = 217²).

The spelling of 2142625663 in words is "two billion, one hundred forty-two million, six hundred twenty-five thousand, six hundred sixty-three".