4920895391 has 4 divisors (see below), whose sum is σ = 5079633984. Its totient is φ = 4762156800.

The previous prime is 4920895387. The next prime is 4920895393. The reversal of 4920895391 is 1935980294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4920895391 - 2² = 4920895387 is a prime.

It is a super-2 number, since 2×4920895391² = 48430422898330085762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4920895393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79369250 + ... + 79369311.

It is an arithmetic number, because the mean of its divisors is an integer number (1269908496).

Almost surely, 2^4920895391 is an apocalyptic number.

4920895391 is a deficient number, since it is larger than the sum of its proper divisors (158738593).

4920895391 is a wasteful number, since it uses less digits than its factorization.

4920895391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158738592.

The product of its (nonzero) digits is 699840, while the sum is 50.

The square root of 4920895391 is about 70149.0940141068. The cubic root of 4920895391 is about 1700.9101690158.

The spelling of 4920895391 in words is "four billion, nine hundred twenty million, eight hundred ninety-five thousand, three hundred ninety-one".