4091593879 has 2 divisors, whose sum is σ = 4091593880. Its totient is φ = 4091593878.

The previous prime is 4091593867. The next prime is 4091593897. The reversal of 4091593879 is 9783951904.

Together with next prime (4091593897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4091593879 is a prime.

It is a super-2 number, since 2×4091593879² = 33482280941340533282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4091593859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045796939 + 2045796940.

It is an arithmetic number, because the mean of its divisors is an integer number (2045796940).

Almost surely, 2^4091593879 is an apocalyptic number.

4091593879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091593879 is an equidigital number, since it uses as much as digits as its factorization.

4091593879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 4091593879 is about 63965.5679174351. The cubic root of 4091593879 is about 1599.4260804880.

The spelling of 4091593879 in words is "four billion, ninety-one million, five hundred ninety-three thousand, eight hundred seventy-nine".