2190570068 has 6 divisors (see below), whose sum is σ = 3833497626. Its totient is φ = 1095285032.

The previous prime is 2190570061. The next prime is 2190570077. The reversal of 2190570068 is 8600750912.

It can be written as a sum of positive squares in only one way, i.e., 1171555984 + 1019014084 = 34228^2 + 31922^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190570061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273821255 + ... + 273821262.

It is an arithmetic number, because the mean of its divisors is an integer number (638916271).

Almost surely, 2^2190570068 is an apocalyptic number.

It is an amenable number.

2190570068 is a deficient number, since it is larger than the sum of its proper divisors (1642927558).

2190570068 is a wasteful number, since it uses less digits than its factorization.

2190570068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547642521 (or 547642519 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2190570068 is about 46803.5262346760. The cubic root of 2190570068 is about 1298.7305295820.

The spelling of 2190570068 in words is "two billion, one hundred ninety million, five hundred seventy thousand, sixty-eight".