1425899668 has 12 divisors (see below), whose sum is σ = 2498652352. Its totient is φ = 711999000.

The previous prime is 1425899659. The next prime is 1425899689. The reversal of 1425899668 is 8669985241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234330 + ... + 240337.

Almost surely, 2^1425899668 is an apocalyptic number.

It is an amenable number.

1425899668 is a deficient number, since it is larger than the sum of its proper divisors (1072752684).

1425899668 is a wasteful number, since it uses less digits than its factorization.

1425899668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475422 (or 475420 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 58.

The square root of 1425899668 is about 37761.0866898716. The cubic root of 1425899668 is about 1125.5453271900.

The spelling of 1425899668 in words is "one billion, four hundred twenty-five million, eight hundred ninety-nine thousand, six hundred sixty-eight".