1925894769 has 4 divisors (see below), whose sum is σ = 2567859696. Its totient is φ = 1283929844.

The previous prime is 1925894753. The next prime is 1925894771. The reversal of 1925894769 is 9674985291.

1925894769 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1925894769 - 2⁴ = 1925894753 is a prime.

It is a super-2 number, since 2×1925894769² = 7418141322523126722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1925894749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320982459 + ... + 320982464.

It is an arithmetic number, because the mean of its divisors is an integer number (641964924).

Almost surely, 2^1925894769 is an apocalyptic number.

It is an amenable number.

1925894769 is a deficient number, since it is larger than the sum of its proper divisors (641964927).

1925894769 is an equidigital number, since it uses as much as digits as its factorization.

1925894769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641964926.

The product of its digits is 9797760, while the sum is 60.

The square root of 1925894769 is about 43885.0175914286. The cubic root of 1925894769 is about 1244.1636763249.

The spelling of 1925894769 in words is "one billion, nine hundred twenty-five million, eight hundred ninety-four thousand, seven hundred sixty-nine".