27501992543 has 2 divisors, whose sum is σ = 27501992544. Its totient is φ = 27501992542.

The previous prime is 27501992537. The next prime is 27501992549. The reversal of 27501992543 is 34529910572.

It is a balanced prime because it is at equal distance from previous prime (27501992537) and next prime (27501992549).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27501992543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27501992549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750996271 + 13750996272.

It is an arithmetic number, because the mean of its divisors is an integer number (13750996272).

Almost surely, 2^27501992543 is an apocalyptic number.

27501992543 is a deficient number, since it is larger than the sum of its proper divisors (1).

27501992543 is an equidigital number, since it uses as much as digits as its factorization.

27501992543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 27501992543 in words is "twenty-seven billion, five hundred one million, nine hundred ninety-two thousand, five hundred forty-three".