32210720749 has 2 divisors, whose sum is σ = 32210720750. Its totient is φ = 32210720748.

The previous prime is 32210720713. The next prime is 32210720803. The reversal of 32210720749 is 94702701223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22810060900 + 9400659849 = 151030^2 + 96957^2 .

It is a cyclic number.

It is not a de Polignac number, because 32210720749 - 2⁷ = 32210720621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32210720149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16105360374 + 16105360375.

It is an arithmetic number, because the mean of its divisors is an integer number (16105360375).

Almost surely, 2^32210720749 is an apocalyptic number.

It is an amenable number.

32210720749 is a deficient number, since it is larger than the sum of its proper divisors (1).

32210720749 is an equidigital number, since it uses as much as digits as its factorization.

32210720749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 32210720749 in words is "thirty-two billion, two hundred ten million, seven hundred twenty thousand, seven hundred forty-nine".