2639255062 has 4 divisors (see below), whose sum is σ = 3958882596. Its totient is φ = 1319627530.

The previous prime is 2639255057. The next prime is 2639255081. The reversal of 2639255062 is 2605529362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2605529362 = 2 ⋅1302764681.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659813764 + ... + 659813767.

It is an arithmetic number, because the mean of its divisors is an integer number (989720649).

Almost surely, 2^2639255062 is an apocalyptic number.

2639255062 is a deficient number, since it is larger than the sum of its proper divisors (1319627534).

2639255062 is a wasteful number, since it uses less digits than its factorization.

2639255062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319627533.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 2639255062 is about 51373.6806351268. The cubic root of 2639255062 is about 1381.9546378929.

The spelling of 2639255062 in words is "two billion, six hundred thirty-nine million, two hundred fifty-five thousand, sixty-two".