32401368249749 has 4 divisors (see below), whose sum is σ = 32401857017100. Its totient is φ = 32400879482400.

The previous prime is 32401368249737. The next prime is 32401368249841. The reversal of 32401368249749 is 94794286310423.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17010733101649 + 15390635148100 = 4124407^2 + 3923090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32401368249749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32401368249691 and 32401368249700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32401368249709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244284224 + ... + 244416825.

It is an arithmetic number, because the mean of its divisors is an integer number (8100464254275).

Almost surely, 2^{32401368249749} is an apocalyptic number.

It is an amenable number.

32401368249749 is a deficient number, since it is larger than the sum of its proper divisors (488767351).

32401368249749 is an equidigital number, since it uses as much as digits as its factorization.

32401368249749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488767350.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 32401368249749 in words is "thirty-two trillion, four hundred one billion, three hundred sixty-eight million, two hundred forty-nine thousand, seven hundred forty-nine".