1902681425 has 24 divisors (see below), whose sum is σ = 2394489600. Its totient is φ = 1499546880.

The previous prime is 1902681409. The next prime is 1902681461. The reversal of 1902681425 is 5241862091.

It is not a de Polignac number, because 1902681425 - 2⁴ = 1902681409 is a prime.

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, 1277081 + ... + 1278569.

It is an arithmetic number, because the mean of its divisors is an integer number (99770400).

Almost surely, 2^1902681425 is an apocalyptic number.

It is an amenable number.

1902681425 is a deficient number, since it is larger than the sum of its proper divisors (491808175).

1902681425 is a wasteful number, since it uses less digits than its factorization.

1902681425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1902681425 is about 43619.7366452389. The cubic root of 1902681425 is about 1239.1447069781.

The spelling of 1902681425 in words is "one billion, nine hundred two million, six hundred eighty-one thousand, four hundred twenty-five".