27434246951 has 4 divisors (see below), whose sum is σ = 27685937400. Its totient is φ = 27182556504.

The previous prime is 27434246947. The next prime is 27434246969. The reversal of 27434246951 is 15964243472.

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

It is a cyclic number.

It is not a de Polignac number, because 27434246951 - 2² = 27434246947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27434246896 and 27434246905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27434242951) 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, 125845061 + ... + 125845278.

It is an arithmetic number, because the mean of its divisors is an integer number (6921484350).

Almost surely, 2^27434246951 is an apocalyptic number.

27434246951 is a deficient number, since it is larger than the sum of its proper divisors (251690449).

27434246951 is a wasteful number, since it uses less digits than its factorization.

27434246951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251690448.

The product of its digits is 1451520, while the sum is 47.

The spelling of 27434246951 in words is "twenty-seven billion, four hundred thirty-four million, two hundred forty-six thousand, nine hundred fifty-one".