1925117493 has 8 divisors (see below), whose sum is σ = 2764271328. Its totient is φ = 1184687664.

The previous prime is 1925117489. The next prime is 1925117507. The reversal of 1925117493 is 3947115291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1925117493 - 2² = 1925117489 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925117413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24680955 + ... + 24681032.

It is an arithmetic number, because the mean of its divisors is an integer number (345533916).

Almost surely, 2^1925117493 is an apocalyptic number.

1925117493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1925117493 is a deficient number, since it is larger than the sum of its proper divisors (839153835).

1925117493 is a wasteful number, since it uses less digits than its factorization.

1925117493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49362003.

The product of its digits is 68040, while the sum is 42.

The square root of 1925117493 is about 43876.1608735313. The cubic root of 1925117493 is about 1243.9962755736.

The spelling of 1925117493 in words is "one billion, nine hundred twenty-five million, one hundred seventeen thousand, four hundred ninety-three".