8049390623 has 2 divisors, whose sum is σ = 8049390624. Its totient is φ = 8049390622.

The previous prime is 8049390619. The next prime is 8049390667. The reversal of 8049390623 is 3260939408.

It is an a-pointer prime, because the next prime (8049390667) can be obtained adding 8049390623 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8049390623 - 2² = 8049390619 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8049395623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4024695311 + 4024695312.

It is an arithmetic number, because the mean of its divisors is an integer number (4024695312).

Almost surely, 2^8049390623 is an apocalyptic number.

8049390623 is the 47957-th centered heptagonal number.

8049390623 is a deficient number, since it is larger than the sum of its proper divisors (1).

8049390623 is an equidigital number, since it uses as much as digits as its factorization.

8049390623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 8049390623 is about 89718.3962351089. The cubic root of 8049390623 is about 2004.1074439274.

The spelling of 8049390623 in words is "eight billion, forty-nine million, three hundred ninety thousand, six hundred twenty-three".