4976321591 has 2 divisors, whose sum is σ = 4976321592. Its totient is φ = 4976321590.

The previous prime is 4976321579. The next prime is 4976321599. The reversal of 4976321591 is 1951236794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4976321591 - 2¹⁴ = 4976305207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4976321599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2488160795 + 2488160796.

It is an arithmetic number, because the mean of its divisors is an integer number (2488160796).

Almost surely, 2^4976321591 is an apocalyptic number.

4976321591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4976321591 is an equidigital number, since it uses as much as digits as its factorization.

4976321591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 4976321591 is about 70543.0477864403. The cubic root of 4976321591 is about 1707.2723737647.

The spelling of 4976321591 in words is "four billion, nine hundred seventy-six million, three hundred twenty-one thousand, five hundred ninety-one".