39719680001 has 4 divisors (see below), whose sum is σ = 39721096404. Its totient is φ = 39718263600.

The previous prime is 39719679997. The next prime is 39719680057. The reversal of 39719680001 is 10008691793.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 602751601 + 39116928400 = 24551^2 + 197780^2 .

It is a cyclic number.

It is not a de Polignac number, because 39719680001 - 2² = 39719679997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39719685001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665270 + ... + 722511.

It is an arithmetic number, because the mean of its divisors is an integer number (9930274101).

Almost surely, 2^39719680001 is an apocalyptic number.

It is an amenable number.

39719680001 is a deficient number, since it is larger than the sum of its proper divisors (1416403).

39719680001 is a wasteful number, since it uses less digits than its factorization.

39719680001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416402.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 39719680001 in words is "thirty-nine billion, seven hundred nineteen million, six hundred eighty thousand, one".