427747632031 has 2 divisors, whose sum is σ = 427747632032. Its totient is φ = 427747632030.

The previous prime is 427747632029. The next prime is 427747632049. The reversal of 427747632031 is 130236747724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427747632031 - 2¹ = 427747632029 is a prime.

It is a super-3 number, since 3×427747632031³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 427747632029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427747630031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213873816015 + 213873816016.

It is an arithmetic number, because the mean of its divisors is an integer number (213873816016).

Almost surely, 2^427747632031 is an apocalyptic number.

427747632031 is a deficient number, since it is larger than the sum of its proper divisors (1).

427747632031 is an equidigital number, since it uses as much as digits as its factorization.

427747632031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 46.

The spelling of 427747632031 in words is "four hundred twenty-seven billion, seven hundred forty-seven million, six hundred thirty-two thousand, thirty-one".