1869434725 has 24 divisors (see below), whose sum is σ = 2336368320. Its totient is φ = 1483816320.

The previous prime is 1869434711. The next prime is 1869434741. The reversal of 1869434725 is 5274349681.

It is a happy number.

It is not a de Polignac number, because 1869434725 - 2¹⁹ = 1868910437 is a prime.

It is a congruent number.

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, 2836446 + ... + 2837104.

It is an arithmetic number, because the mean of its divisors is an integer number (97348680).

Almost surely, 2^1869434725 is an apocalyptic number.

It is an amenable number.

1869434725 is a deficient number, since it is larger than the sum of its proper divisors (466933595).

1869434725 is a wasteful number, since it uses less digits than its factorization.

1869434725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1384 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 1869434725 is about 43236.9601729816. The cubic root of 1869434725 is about 1231.8848149202.

The spelling of 1869434725 in words is "one billion, eight hundred sixty-nine million, four hundred thirty-four thousand, seven hundred twenty-five".