2670239447 has 2 divisors, whose sum is σ = 2670239448. Its totient is φ = 2670239446.

The previous prime is 2670239443. The next prime is 2670239471. The reversal of 2670239447 is 7449320762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2670239447 - 2² = 2670239443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2670239398 and 2670239407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2670239443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335119723 + 1335119724.

It is an arithmetic number, because the mean of its divisors is an integer number (1335119724).

Almost surely, 2^2670239447 is an apocalyptic number.

2670239447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670239447 is an equidigital number, since it uses as much as digits as its factorization.

2670239447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 2670239447 is about 51674.3596670534. The cubic root of 2670239447 is about 1387.3415792072.

The spelling of 2670239447 in words is "two billion, six hundred seventy million, two hundred thirty-nine thousand, four hundred forty-seven".