5728123572491 has 2 divisors, whose sum is σ = 5728123572492. Its totient is φ = 5728123572490.

The previous prime is 5728123572461. The next prime is 5728123572553. The reversal of 5728123572491 is 1942753218275.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5728123572491 is a prime.

It is a super-2 number, since 2×5728123572491² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5728123572421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864061786245 + 2864061786246.

It is an arithmetic number, because the mean of its divisors is an integer number (2864061786246).

Almost surely, 2^{5728123572491} is an apocalyptic number.

5728123572491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5728123572491 is an equidigital number, since it uses as much as digits as its factorization.

5728123572491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 56.

The spelling of 5728123572491 in words is "five trillion, seven hundred twenty-eight billion, one hundred twenty-three million, five hundred seventy-two thousand, four hundred ninety-one".