4719505391 has 2 divisors, whose sum is σ = 4719505392. Its totient is φ = 4719505390.

The previous prime is 4719505387. The next prime is 4719505421. The reversal of 4719505391 is 1935059174.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4719505391 - 2² = 4719505387 is a prime.

It is a super-2 number, since 2×4719505391² = 44547462271356125762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4719505381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359752695 + 2359752696.

It is an arithmetic number, because the mean of its divisors is an integer number (2359752696).

Almost surely, 2^4719505391 is an apocalyptic number.

4719505391 is a deficient number, since it is larger than the sum of its proper divisors (1).

4719505391 is an equidigital number, since it uses as much as digits as its factorization.

4719505391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 44.

The square root of 4719505391 is about 68698.6563987972. The cubic root of 4719505391 is about 1677.3827102102.

The spelling of 4719505391 in words is "four billion, seven hundred nineteen million, five hundred five thousand, three hundred ninety-one".