28741025591 has 2 divisors, whose sum is σ = 28741025592. Its totient is φ = 28741025590.

The previous prime is 28741025587. The next prime is 28741025597. The reversal of 28741025591 is 19552014782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28741025591 - 2² = 28741025587 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28741025597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14370512795 + 14370512796.

It is an arithmetic number, because the mean of its divisors is an integer number (14370512796).

Almost surely, 2^28741025591 is an apocalyptic number.

28741025591 is a deficient number, since it is larger than the sum of its proper divisors (1).

28741025591 is an equidigital number, since it uses as much as digits as its factorization.

28741025591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 28741025591 in words is "twenty-eight billion, seven hundred forty-one million, twenty-five thousand, five hundred ninety-one".