2070630917 has 4 divisors (see below), whose sum is σ = 2073913056. Its totient is φ = 2067348780.

The previous prime is 2070630907. The next prime is 2070630929. The reversal of 2070630917 is 7190360702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2070630917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070630907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640123 + ... + 1641384.

It is an arithmetic number, because the mean of its divisors is an integer number (518478264).

Almost surely, 2^2070630917 is an apocalyptic number.

It is an amenable number.

2070630917 is a deficient number, since it is larger than the sum of its proper divisors (3282139).

2070630917 is an equidigital number, since it uses as much as digits as its factorization.

2070630917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282138.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 2070630917 is about 45504.1857085697. The cubic root of 2070630917 is about 1274.5813654694.

The spelling of 2070630917 in words is "two billion, seventy million, six hundred thirty thousand, nine hundred seventeen".