1693396425 has 24 divisors (see below), whose sum is σ = 3199713856. Its totient is φ = 774123840.

The previous prime is 1693396409. The next prime is 1693396429. The reversal of 1693396425 is 5246933961.

It is not a de Polignac number, because 1693396425 - 2⁴ = 1693396409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1693396429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1612234 + ... + 1613283.

Almost surely, 2^1693396425 is an apocalyptic number.

1693396425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1693396425 is a deficient number, since it is larger than the sum of its proper divisors (1506317431).

1693396425 is a wasteful number, since it uses less digits than its factorization.

1693396425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225537 (or 3225532 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The square root of 1693396425 is about 41150.8982283498. The cubic root of 1693396425 is about 1191.9358423890.

The spelling of 1693396425 in words is "one billion, six hundred ninety-three million, three hundred ninety-six thousand, four hundred twenty-five".