2210120639 has 2 divisors, whose sum is σ = 2210120640. Its totient is φ = 2210120638.

The previous prime is 2210120629. The next prime is 2210120651. The reversal of 2210120639 is 9360210122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210120639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210120629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105060319 + 1105060320.

It is an arithmetic number, because the mean of its divisors is an integer number (1105060320).

Almost surely, 2^2210120639 is an apocalyptic number.

2210120639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210120639 is an equidigital number, since it uses as much as digits as its factorization.

2210120639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2210120639 is about 47011.9201798863. The cubic root of 2210120639 is about 1302.5827625617.

The spelling of 2210120639 in words is "two billion, two hundred ten million, one hundred twenty thousand, six hundred thirty-nine".