4628728496731 has 2 divisors, whose sum is σ = 4628728496732. Its totient is φ = 4628728496730.

The previous prime is 4628728496669. The next prime is 4628728496747. The reversal of 4628728496731 is 1376948278264.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4628728496731 is a prime.

It is a super-2 number, since 2×4628728496731² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4628728491731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2314364248365 + 2314364248366.

It is an arithmetic number, because the mean of its divisors is an integer number (2314364248366).

Almost surely, 2^{4628728496731} is an apocalyptic number.

4628728496731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4628728496731 is an equidigital number, since it uses as much as digits as its factorization.

4628728496731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195084288, while the sum is 67.

The spelling of 4628728496731 in words is "four trillion, six hundred twenty-eight billion, seven hundred twenty-eight million, four hundred ninety-six thousand, seven hundred thirty-one".