2070655979 has 4 divisors (see below), whose sum is σ = 2366463984. Its totient is φ = 1774847976.

The previous prime is 2070655973. The next prime is 2070655991. The reversal of 2070655979 is 9795560702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2070655979 - 2¹⁶ = 2070590443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2070655973) 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, 147903992 + ... + 147904005.

It is an arithmetic number, because the mean of its divisors is an integer number (591615996).

Almost surely, 2^2070655979 is an apocalyptic number.

2070655979 is a deficient number, since it is larger than the sum of its proper divisors (295808005).

2070655979 is an equidigital number, since it uses as much as digits as its factorization.

2070655979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295808004.

The product of its (nonzero) digits is 1190700, while the sum is 50.

The square root of 2070655979 is about 45504.4610889965. The cubic root of 2070655979 is about 1274.5865077715.

The spelling of 2070655979 in words is "two billion, seventy million, six hundred fifty-five thousand, nine hundred seventy-nine".