1925693814 has 128 divisors (see below), whose sum is σ = 4653158400. Its totient is φ = 524430720.

The previous prime is 1925693807. The next prime is 1925693839. The reversal of 1925693814 is 4183965291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5162532 + ... + 5162904.

It is an arithmetic number, because the mean of its divisors is an integer number (36352800).

Almost surely, 2^1925693814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1925693814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2326579200).

1925693814 is an abundant number, since it is smaller than the sum of its proper divisors (2727464586).

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

1925693814 is a wasteful number, since it uses less digits than its factorization.

1925693814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 466560, while the sum is 48.

The square root of 1925693814 is about 43882.7279689857. The cubic root of 1925693814 is about 1244.1204012696.

The spelling of 1925693814 in words is "one billion, nine hundred twenty-five million, six hundred ninety-three thousand, eight hundred fourteen".