32642423477 has 2 divisors, whose sum is σ = 32642423478. Its totient is φ = 32642423476.

The previous prime is 32642423459. The next prime is 32642423483. The reversal of 32642423477 is 77432424623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30736751761 + 1905671716 = 175319^2 + 43654^2 .

It is a cyclic number.

It is not a de Polignac number, because 32642423477 - 2¹⁰ = 32642422453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32642423677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16321211738 + 16321211739.

It is an arithmetic number, because the mean of its divisors is an integer number (16321211739).

Almost surely, 2^32642423477 is an apocalyptic number.

It is an amenable number.

32642423477 is a deficient number, since it is larger than the sum of its proper divisors (1).

32642423477 is an equidigital number, since it uses as much as digits as its factorization.

32642423477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 44.

The spelling of 32642423477 in words is "thirty-two billion, six hundred forty-two million, four hundred twenty-three thousand, four hundred seventy-seven".