4651628261591 has 2 divisors, whose sum is σ = 4651628261592. Its totient is φ = 4651628261590.

The previous prime is 4651628261543. The next prime is 4651628261593. The reversal of 4651628261591 is 1951628261564.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4651628261591 - 2¹⁰ = 4651628260567 is a prime.

Together with 4651628261593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4651628261593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2325814130795 + 2325814130796.

It is an arithmetic number, because the mean of its divisors is an integer number (2325814130796).

Almost surely, 2^{4651628261591} is an apocalyptic number.

4651628261591 is a deficient number, since it is larger than the sum of its proper divisors (1).

4651628261591 is an equidigital number, since it uses as much as digits as its factorization.

4651628261591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 56.

The spelling of 4651628261591 in words is "four trillion, six hundred fifty-one billion, six hundred twenty-eight million, two hundred sixty-one thousand, five hundred ninety-one".