2190659425 has 12 divisors (see below), whose sum is σ = 2774215296. Its totient is φ = 1715238800.

The previous prime is 2190659417. The next prime is 2190659483. The reversal of 2190659425 is 5249560912.

It is not a de Polignac number, because 2190659425 - 2³ = 2190659417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931021 + ... + 933370.

It is an arithmetic number, because the mean of its divisors is an integer number (231184608).

Almost surely, 2^2190659425 is an apocalyptic number.

2190659425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2190659425 is a deficient number, since it is larger than the sum of its proper divisors (583555871).

2190659425 is a wasteful number, since it uses less digits than its factorization.

2190659425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864448 (or 1864443 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2190659425 is about 46804.4808218188. The cubic root of 2190659425 is about 1298.7481884687.

The spelling of 2190659425 in words is "two billion, one hundred ninety million, six hundred fifty-nine thousand, four hundred twenty-five".