4631848621 has 2 divisors, whose sum is σ = 4631848622. Its totient is φ = 4631848620.

The previous prime is 4631848547. The next prime is 4631848667. The reversal of 4631848621 is 1268481364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4630122025 + 1726596 = 68045^2 + 1314^2 .

It is a cyclic number.

It is not a de Polignac number, because 4631848621 - 2¹¹ = 4631846573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4631848681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315924310 + 2315924311.

It is an arithmetic number, because the mean of its divisors is an integer number (2315924311).

Almost surely, 2^4631848621 is an apocalyptic number.

It is an amenable number.

4631848621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4631848621 is an equidigital number, since it uses as much as digits as its factorization.

4631848621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 4631848621 is about 68057.6859803505. The cubic root of 4631848621 is about 1666.9329030997.

The spelling of 4631848621 in words is "four billion, six hundred thirty-one million, eight hundred forty-eight thousand, six hundred twenty-one".