6238987769 has 12 divisors (see below), whose sum is σ = 7285852404. Its totient is φ = 5326884864.

The previous prime is 6238987759. The next prime is 6238987771. The reversal of 6238987769 is 9677898326.

It can be written as a sum of positive squares in 2 ways, for example, as 2912005369 + 3326982400 = 53963^2 + 57680^2 .

It is not a de Polignac number, because 6238987769 - 2¹⁶ = 6238922233 is a prime.

It is a super-2 number, since 2×6238987769² = 77849936763463194722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6238987759) 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 in 11 ways as a sum of consecutive naturals, for example, 235124 + ... + 260309.

It is an arithmetic number, because the mean of its divisors is an integer number (607154367).

Almost surely, 2^6238987769 is an apocalyptic number.

It is an amenable number.

6238987769 is a deficient number, since it is larger than the sum of its proper divisors (1046864635).

6238987769 is a wasteful number, since it uses less digits than its factorization.

6238987769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495704 (or 495697 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 65.

The square root of 6238987769 is about 78987.2633340338. The cubic root of 6238987769 is about 1840.9332624827.

The spelling of 6238987769 in words is "six billion, two hundred thirty-eight million, nine hundred eighty-seven thousand, seven hundred sixty-nine".