28740759461 has 2 divisors, whose sum is σ = 28740759462. Its totient is φ = 28740759460.

The previous prime is 28740759457. The next prime is 28740759479. The reversal of 28740759461 is 16495704782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27579244900 + 1161514561 = 166070^2 + 34081^2 .

It is a cyclic number.

It is not a de Polignac number, because 28740759461 - 2² = 28740759457 is a prime.

It is a super-2 number, since 2×28740759461² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28740752461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370379730 + 14370379731.

It is an arithmetic number, because the mean of its divisors is an integer number (14370379731).

Almost surely, 2^28740759461 is an apocalyptic number.

It is an amenable number.

28740759461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28740759461 is an equidigital number, since it uses as much as digits as its factorization.

28740759461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 28740759461 in words is "twenty-eight billion, seven hundred forty million, seven hundred fifty-nine thousand, four hundred sixty-one".