427474646474731 has 2 divisors, whose sum is σ = 427474646474732. Its totient is φ = 427474646474730.

The previous prime is 427474646474599. The next prime is 427474646474761. The reversal of 427474646474731 is 137474646474724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427474646474731 - 2¹¹ = 427474646472683 is a prime.

It is a super-2 number, since 2×427474646474731² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427474646474761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213737323237365 + 213737323237366.

It is an arithmetic number, because the mean of its divisors is an integer number (213737323237366).

Almost surely, 2^{427474646474731} is an apocalyptic number.

427474646474731 is a deficient number, since it is larger than the sum of its proper divisors (1).

427474646474731 is an equidigital number, since it uses as much as digits as its factorization.

427474646474731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2124251136, while the sum is 70.

The spelling of 427474646474731 in words is "four hundred twenty-seven trillion, four hundred seventy-four billion, six hundred forty-six million, four hundred seventy-four thousand, seven hundred thirty-one".