32451400073 has 2 divisors, whose sum is σ = 32451400074. Its totient is φ = 32451400072.

The previous prime is 32451400063. The next prime is 32451400133. The reversal of 32451400073 is 37000415423.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21342872464 + 11108527609 = 146092^2 + 105397^2 .

It is a cyclic number.

It is not a de Polignac number, because 32451400073 - 2⁴ = 32451400057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (32451400013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16225700036 + 16225700037.

It is an arithmetic number, because the mean of its divisors is an integer number (16225700037).

Almost surely, 2^32451400073 is an apocalyptic number.

It is an amenable number.

32451400073 is a deficient number, since it is larger than the sum of its proper divisors (1).

32451400073 is an equidigital number, since it uses as much as digits as its factorization.

32451400073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 32451400073 its reverse (37000415423), we get a palindrome (69451815496).

The spelling of 32451400073 in words is "thirty-two billion, four hundred fifty-one million, four hundred thousand, seventy-three".