447969298547 has 2 divisors, whose sum is σ = 447969298548. Its totient is φ = 447969298546.

The previous prime is 447969298501. The next prime is 447969298583. The reversal of 447969298547 is 745892969744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 447969298547 - 2²² = 447965104243 is a prime.

It is a super-2 number, since 2×447969298547² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (447969258547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223984649273 + 223984649274.

It is an arithmetic number, because the mean of its divisors is an integer number (223984649274).

Almost surely, 2^447969298547 is an apocalyptic number.

447969298547 is a deficient number, since it is larger than the sum of its proper divisors (1).

447969298547 is an equidigital number, since it uses as much as digits as its factorization.

447969298547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097349120, while the sum is 74.

The spelling of 447969298547 in words is "four hundred forty-seven billion, nine hundred sixty-nine million, two hundred ninety-eight thousand, five hundred forty-seven".