3799949016839 has 2 divisors, whose sum is σ = 3799949016840. Its totient is φ = 3799949016838.

The previous prime is 3799949016821. The next prime is 3799949016859. The reversal of 3799949016839 is 9386109499973.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3799949016839 is a prime.

It is a super-2 number, since 2×3799949016839² (a number of 26 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 3799949016839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3799949016859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899974508419 + 1899974508420.

It is an arithmetic number, because the mean of its divisors is an integer number (1899974508420).

Almost surely, 2^{3799949016839} is an apocalyptic number.

3799949016839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3799949016839 is an equidigital number, since it uses as much as digits as its factorization.

3799949016839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714256704, while the sum is 77.

The spelling of 3799949016839 in words is "three trillion, seven hundred ninety-nine billion, nine hundred forty-nine million, sixteen thousand, eight hundred thirty-nine".