3195891457 has 8 divisors (see below), whose sum is σ = 3492626400. Its totient is φ = 2900189760.

The previous prime is 3195891449. The next prime is 3195891473. The reversal of 3195891457 is 7541985913.

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

It is a cyclic number.

It is not a de Polignac number, because 3195891457 - 2³ = 3195891449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3195891407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251832 + ... + 264217.

It is an arithmetic number, because the mean of its divisors is an integer number (436578300).

Almost surely, 2^3195891457 is an apocalyptic number.

It is an amenable number.

3195891457 is a deficient number, since it is larger than the sum of its proper divisors (296734943).

3195891457 is a wasteful number, since it uses less digits than its factorization.

3195891457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516623.

The product of its digits is 1360800, while the sum is 52.

The square root of 3195891457 is about 56532.2160984336. The cubic root of 3195891457 is about 1472.9816626123.

The spelling of 3195891457 in words is "three billion, one hundred ninety-five million, eight hundred ninety-one thousand, four hundred fifty-seven".