2064257898 has 64 divisors (see below), whose sum is σ = 4333824000. Its totient is φ = 654813504.

The previous prime is 2064257887. The next prime is 2064257911. The reversal of 2064257898 is 8987524602.

It is a super-2 number, since 2×2064257898² = 8522321338910756808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2064257898.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4701963 + ... + 4702401.

It is an arithmetic number, because the mean of its divisors is an integer number (67716000).

Almost surely, 2^2064257898 is an apocalyptic number.

2064257898 is an abundant number, since it is smaller than the sum of its proper divisors (2269566102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2064257898 is a wasteful number, since it uses less digits than its factorization.

2064257898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 2064257898 is about 45434.1050093429. The cubic root of 2064257898 is about 1273.2723797076.

The spelling of 2064257898 in words is "two billion, sixty-four million, two hundred fifty-seven thousand, eight hundred ninety-eight".