4397955547 has 2 divisors, whose sum is σ = 4397955548. Its totient is φ = 4397955546.

The previous prime is 4397955469. The next prime is 4397955563. The reversal of 4397955547 is 7455597934.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4397955547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4397955491 and 4397955500.

It is not a weakly prime, because it can be changed into another prime (4397956547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198977773 + 2198977774.

It is an arithmetic number, because the mean of its divisors is an integer number (2198977774).

Almost surely, 2^4397955547 is an apocalyptic number.

4397955547 is a deficient number, since it is larger than the sum of its proper divisors (1).

4397955547 is an equidigital number, since it uses as much as digits as its factorization.

4397955547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814000, while the sum is 58.

The square root of 4397955547 is about 66317.0833722352. The cubic root of 4397955547 is about 1638.3887043323.

The spelling of 4397955547 in words is "four billion, three hundred ninety-seven million, nine hundred fifty-five thousand, five hundred forty-seven".