39229287673 has 2 divisors, whose sum is σ = 39229287674. Its totient is φ = 39229287672.

The previous prime is 39229287611. The next prime is 39229287739. The reversal of 39229287673 is 37678292293.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35821997289 + 3407290384 = 189267^2 + 58372^2 .

It is a cyclic number.

It is not a de Polignac number, because 39229287673 - 2¹⁷ = 39229156601 is a prime.

It is a super-2 number, since 2×39229287673² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39229287173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19614643836 + 19614643837.

It is an arithmetic number, because the mean of its divisors is an integer number (19614643837).

Almost surely, 2^39229287673 is an apocalyptic number.

It is an amenable number.

39229287673 is a deficient number, since it is larger than the sum of its proper divisors (1).

39229287673 is an equidigital number, since it uses as much as digits as its factorization.

39229287673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 58.

The spelling of 39229287673 in words is "thirty-nine billion, two hundred twenty-nine million, two hundred eighty-seven thousand, six hundred seventy-three".