1425871692 has 72 divisors (see below), whose sum is σ = 4124370432. Its totient is φ = 406879200.

The previous prime is 1425871687. The next prime is 1425871717. The reversal of 1425871692 is 2961785241.

1425871692 is a `hidden beast` number, since 1 + 4 + 2 + 587 + 1 + 69 + 2 = 666.

It is a super-2 number, since 2×1425871692² = 4066220164093885728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226467 + ... + 232677.

Almost surely, 2^1425871692 is an apocalyptic number.

1425871692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1425871692 is an abundant number, since it is smaller than the sum of its proper divisors (2698498740).

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

1425871692 is a wasteful number, since it uses less digits than its factorization.

1425871692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139 (or 7134 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 1425871692 is about 37760.7162538001. The cubic root of 1425871692 is about 1125.5379661153.

The spelling of 1425871692 in words is "one billion, four hundred twenty-five million, eight hundred seventy-one thousand, six hundred ninety-two".