4621999841 has 2 divisors, whose sum is σ = 4621999842. Its totient is φ = 4621999840.

The previous prime is 4621999807. The next prime is 4621999843. The reversal of 4621999841 is 1489991264.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3295219216 + 1326780625 = 57404^2 + 36425^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621999841 - 2²² = 4617805537 is a prime.

Together with 4621999843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4621999843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310999920 + 2310999921.

It is an arithmetic number, because the mean of its divisors is an integer number (2310999921).

Almost surely, 2^4621999841 is an apocalyptic number.

It is an amenable number.

4621999841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621999841 is an equidigital number, since it uses as much as digits as its factorization.

4621999841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 53.

The square root of 4621999841 is about 67985.2913577636. The cubic root of 4621999841 is about 1665.7505886040.

The spelling of 4621999841 in words is "four billion, six hundred twenty-one million, nine hundred ninety-nine thousand, eight hundred forty-one".