5921854645 has 8 divisors (see below), whose sum is σ = 8121400704. Its totient is φ = 4060700304.

The previous prime is 5921854637. The next prime is 5921854661. The reversal of 5921854645 is 5464581295.

It is a happy number.

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 5921854645 - 2³ = 5921854637 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 84597889 + ... + 84597958.

It is an arithmetic number, because the mean of its divisors is an integer number (1015175088).

Almost surely, 2^5921854645 is an apocalyptic number.

It is an amenable number.

5921854645 is a deficient number, since it is larger than the sum of its proper divisors (2199546059).

5921854645 is a wasteful number, since it uses less digits than its factorization.

5921854645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169195859.

The product of its digits is 1728000, while the sum is 49.

The square root of 5921854645 is about 76953.5876031781. The cubic root of 5921854645 is about 1809.1972310796.

The spelling of 5921854645 in words is "five billion, nine hundred twenty-one million, eight hundred fifty-four thousand, six hundred forty-five".