39834940001 has 2 divisors, whose sum is σ = 39834940002. Its totient is φ = 39834940000.

The previous prime is 39834939931. The next prime is 39834940007. The reversal of 39834940001 is 10004943893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39738429025 + 96510976 = 199345^2 + 9824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39834940001 is a prime.

It is not a weakly prime, because it can be changed into another prime (39834940007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19917470000 + 19917470001.

It is an arithmetic number, because the mean of its divisors is an integer number (19917470001).

Almost surely, 2^39834940001 is an apocalyptic number.

It is an amenable number.

39834940001 is a deficient number, since it is larger than the sum of its proper divisors (1).

39834940001 is an equidigital number, since it uses as much as digits as its factorization.

39834940001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 39834940001 in words is "thirty-nine billion, eight hundred thirty-four million, nine hundred forty thousand, one".