32639247479 has 2 divisors, whose sum is σ = 32639247480. Its totient is φ = 32639247478.

The previous prime is 32639247463. The next prime is 32639247499. The reversal of 32639247479 is 97474293623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32639247479 - 2⁴ = 32639247463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32639247499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16319623739 + 16319623740.

It is an arithmetic number, because the mean of its divisors is an integer number (16319623740).

Almost surely, 2^32639247479 is an apocalyptic number.

32639247479 is a deficient number, since it is larger than the sum of its proper divisors (1).

32639247479 is an equidigital number, since it uses as much as digits as its factorization.

32639247479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 56.

The spelling of 32639247479 in words is "thirty-two billion, six hundred thirty-nine million, two hundred forty-seven thousand, four hundred seventy-nine".