2928724784641 has 2 divisors, whose sum is σ = 2928724784642. Its totient is φ = 2928724784640.

The previous prime is 2928724784603. The next prime is 2928724784663. The reversal of 2928724784641 is 1464874278292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2906755616241 + 21969168400 = 1704921^2 + 148220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2928724784641 - 2¹⁵ = 2928724751873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2928734784641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464362392320 + 1464362392321.

It is an arithmetic number, because the mean of its divisors is an integer number (1464362392321).

Almost surely, 2^{2928724784641} is an apocalyptic number.

It is an amenable number.

2928724784641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928724784641 is an equidigital number, since it uses as much as digits as its factorization.

2928724784641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86704128, while the sum is 64.

The spelling of 2928724784641 in words is "two trillion, nine hundred twenty-eight billion, seven hundred twenty-four million, seven hundred eighty-four thousand, six hundred forty-one".