1925397794 has 16 divisors (see below), whose sum is σ = 3042204480. Its totient is φ = 911399760.

The previous prime is 1925397779. The next prime is 1925397811. The reversal of 1925397794 is 4977935291.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40652 + ... + 74184.

It is an arithmetic number, because the mean of its divisors is an integer number (190137780).

Almost surely, 2^1925397794 is an apocalyptic number.

1925397794 is a deficient number, since it is larger than the sum of its proper divisors (1116806686).

1925397794 is a wasteful number, since it uses less digits than its factorization.

1925397794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35065.

The product of its digits is 4286520, while the sum is 56.

The square root of 1925397794 is about 43879.3549861435. The cubic root of 1925397794 is about 1244.0566487680.

The spelling of 1925397794 in words is "one billion, nine hundred twenty-five million, three hundred ninety-seven thousand, seven hundred ninety-four".