814634959547 has 2 divisors, whose sum is σ = 814634959548. Its totient is φ = 814634959546.

The previous prime is 814634959493. The next prime is 814634959571. The reversal of 814634959547 is 745959436418.

814634959547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 814634959547 - 2¹² = 814634955451 is a prime.

It is a super-2 number, since 2×814634959547² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (814634953547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407317479773 + 407317479774.

It is an arithmetic number, because the mean of its divisors is an integer number (407317479774).

Almost surely, 2^814634959547 is an apocalyptic number.

814634959547 is a deficient number, since it is larger than the sum of its proper divisors (1).

814634959547 is an equidigital number, since it uses as much as digits as its factorization.

814634959547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 65.

The spelling of 814634959547 in words is "eight hundred fourteen billion, six hundred thirty-four million, nine hundred fifty-nine thousand, five hundred forty-seven".