32194938751 has 2 divisors, whose sum is σ = 32194938752. Its totient is φ = 32194938750.

The previous prime is 32194938749. The next prime is 32194938847. The reversal of 32194938751 is 15783949123.

It is a weak prime.

It is an emirp because it is prime and its reverse (15783949123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32194938751 - 2¹ = 32194938749 is a prime.

Together with 32194938749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32194938701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16097469375 + 16097469376.

It is an arithmetic number, because the mean of its divisors is an integer number (16097469376).

Almost surely, 2^32194938751 is an apocalyptic number.

32194938751 is a deficient number, since it is larger than the sum of its proper divisors (1).

32194938751 is an equidigital number, since it uses as much as digits as its factorization.

32194938751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 32194938751 in words is "thirty-two billion, one hundred ninety-four million, nine hundred thirty-eight thousand, seven hundred fifty-one".