427234417651 has 2 divisors, whose sum is σ = 427234417652. Its totient is φ = 427234417650.

The previous prime is 427234417619. The next prime is 427234417733. The reversal of 427234417651 is 156714432724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427234417651 - 2⁵ = 427234417619 is a prime.

It is not a weakly prime, because it can be changed into another prime (427234415651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213617208825 + 213617208826.

It is an arithmetic number, because the mean of its divisors is an integer number (213617208826).

Almost surely, 2^427234417651 is an apocalyptic number.

427234417651 is a deficient number, since it is larger than the sum of its proper divisors (1).

427234417651 is an equidigital number, since it uses as much as digits as its factorization.

427234417651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 46.

The spelling of 427234417651 in words is "four hundred twenty-seven billion, two hundred thirty-four million, four hundred seventeen thousand, six hundred fifty-one".