32402434397 has 2 divisors, whose sum is σ = 32402434398. Its totient is φ = 32402434396.

The previous prime is 32402434291. The next prime is 32402434399. The reversal of 32402434397 is 79343420423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20128231876 + 12274202521 = 141874^2 + 110789^2 .

It is a cyclic number.

It is not a de Polignac number, because 32402434397 - 2¹⁶ = 32402368861 is a prime.

Together with 32402434399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32402434399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16201217198 + 16201217199.

It is an arithmetic number, because the mean of its divisors is an integer number (16201217199).

Almost surely, 2^32402434397 is an apocalyptic number.

It is an amenable number.

32402434397 is a deficient number, since it is larger than the sum of its proper divisors (1).

32402434397 is an equidigital number, since it uses as much as digits as its factorization.

32402434397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 32402434397 in words is "thirty-two billion, four hundred two million, four hundred thirty-four thousand, three hundred ninety-seven".