1934825986457 has 32 divisors (see below), whose sum is σ = 2553318835200. Its totient is φ = 1422563171328.

The previous prime is 1934825986453. The next prime is 1934825986459. The reversal of 1934825986457 is 7546895284391.

It is not a de Polignac number, because 1934825986457 - 2² = 1934825986453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1934825986453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7793582 + ... + 8038007.

It is an arithmetic number, because the mean of its divisors is an integer number (79791213600).

Almost surely, 2^{1934825986457} is an apocalyptic number.

1934825986457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1934825986457 is a deficient number, since it is larger than the sum of its proper divisors (618492848743).

1934825986457 is a wasteful number, since it uses less digits than its factorization.

1934825986457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15831705.

The product of its digits is 522547200, while the sum is 71.

The spelling of 1934825986457 in words is "one trillion, nine hundred thirty-four billion, eight hundred twenty-five million, nine hundred eighty-six thousand, four hundred fifty-seven".