27500250493 has 4 divisors (see below), whose sum is σ = 27502190428. Its totient is φ = 27498310560.

The previous prime is 27500250461. The next prime is 27500250539. The reversal of 27500250493 is 39405200572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1552517604 + 25947732889 = 39402^2 + 161083^2 .

It is a cyclic number.

It is not a de Polignac number, because 27500250493 - 2⁵ = 27500250461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27500257493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 948546 + ... + 977107.

It is an arithmetic number, because the mean of its divisors is an integer number (6875547607).

Almost surely, 2^27500250493 is an apocalyptic number.

It is an amenable number.

27500250493 is a deficient number, since it is larger than the sum of its proper divisors (1939935).

27500250493 is a wasteful number, since it uses less digits than its factorization.

27500250493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939934.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 27500250493 in words is "twenty-seven billion, five hundred million, two hundred fifty thousand, four hundred ninety-three".