447485134951 has 2 divisors, whose sum is σ = 447485134952. Its totient is φ = 447485134950.

The previous prime is 447485134931. The next prime is 447485134961. The reversal of 447485134951 is 159431584744.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447485134951 - 2⁷ = 447485134823 is a prime.

It is a super-2 number, since 2×447485134951² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447485134892 and 447485134901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447485134931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567475 + 223742567476.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567476).

Almost surely, 2^447485134951 is an apocalyptic number.

447485134951 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485134951 is an equidigital number, since it uses as much as digits as its factorization.

447485134951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 55.

The spelling of 447485134951 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-four thousand, nine hundred fifty-one".