39919937011 has 2 divisors, whose sum is σ = 39919937012. Its totient is φ = 39919937010.

The previous prime is 39919936999. The next prime is 39919937033. The reversal of 39919937011 is 11073991993.

It is a weak prime.

It is an emirp because it is prime and its reverse (11073991993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39919937011 - 2¹¹ = 39919934963 is a prime.

It is a super-2 number, since 2×39919937011² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39919937011.

It is not a weakly prime, because it can be changed into another prime (39919937311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19959968505 + 19959968506.

It is an arithmetic number, because the mean of its divisors is an integer number (19959968506).

Almost surely, 2^39919937011 is an apocalyptic number.

39919937011 is a deficient number, since it is larger than the sum of its proper divisors (1).

39919937011 is an equidigital number, since it uses as much as digits as its factorization.

39919937011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 413343, while the sum is 52.

The spelling of 39919937011 in words is "thirty-nine billion, nine hundred nineteen million, nine hundred thirty-seven thousand, eleven".