4661626511 has 2 divisors, whose sum is σ = 4661626512. Its totient is φ = 4661626510.

The previous prime is 4661626469. The next prime is 4661626513. The reversal of 4661626511 is 1156261664.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4661626511 - 2⁶ = 4661626447 is a prime.

Together with 4661626513, 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 (4661626513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2330813255 + 2330813256.

It is an arithmetic number, because the mean of its divisors is an integer number (2330813256).

Almost surely, 2^4661626511 is an apocalyptic number.

4661626511 is a deficient number, since it is larger than the sum of its proper divisors (1).

4661626511 is an equidigital number, since it uses as much as digits as its factorization.

4661626511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 4661626511 is about 68276.1049782426. The cubic root of 4661626511 is about 1670.4974806037.

The spelling of 4661626511 in words is "four billion, six hundred sixty-one million, six hundred twenty-six thousand, five hundred eleven".