39852291233 has 2 divisors, whose sum is σ = 39852291234. Its totient is φ = 39852291232.

The previous prime is 39852291197. The next prime is 39852291251. The reversal of 39852291233 is 33219225893.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38948206609 + 904084624 = 197353^2 + 30068^2 .

It is a cyclic number.

It is not a de Polignac number, because 39852291233 - 2¹⁴ = 39852274849 is a prime.

It is not a weakly prime, because it can be changed into another prime (39852261233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19926145616 + 19926145617.

It is an arithmetic number, because the mean of its divisors is an integer number (19926145617).

Almost surely, 2^39852291233 is an apocalyptic number.

It is an amenable number.

39852291233 is a deficient number, since it is larger than the sum of its proper divisors (1).

39852291233 is an equidigital number, since it uses as much as digits as its factorization.

39852291233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The spelling of 39852291233 in words is "thirty-nine billion, eight hundred fifty-two million, two hundred ninety-one thousand, two hundred thirty-three".