264421858147 has 2 divisors, whose sum is σ = 264421858148. Its totient is φ = 264421858146.

The previous prime is 264421858123. The next prime is 264421858171. The reversal of 264421858147 is 741858124462.

It is a balanced prime because it is at equal distance from previous prime (264421858123) and next prime (264421858171).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264421858147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264421858094 and 264421858103.

It is not a weakly prime, because it can be changed into another prime (264421858117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132210929073 + 132210929074.

It is an arithmetic number, because the mean of its divisors is an integer number (132210929074).

Almost surely, 2^264421858147 is an apocalyptic number.

264421858147 is a deficient number, since it is larger than the sum of its proper divisors (1).

264421858147 is an equidigital number, since it uses as much as digits as its factorization.

264421858147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3440640, while the sum is 52.

The spelling of 264421858147 in words is "two hundred sixty-four billion, four hundred twenty-one million, eight hundred fifty-eight thousand, one hundred forty-seven".