6139765453 has 2 divisors, whose sum is σ = 6139765454. Its totient is φ = 6139765452.

The previous prime is 6139765451. The next prime is 6139765477. The reversal of 6139765453 is 3545679316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4033139049 + 2106626404 = 63507^2 + 45898^2 .

It is a cyclic number.

It is not a de Polignac number, because 6139765453 - 2¹ = 6139765451 is a prime.

Together with 6139765451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6139765397 and 6139765406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6139765451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3069882726 + 3069882727.

It is an arithmetic number, because the mean of its divisors is an integer number (3069882727).

Almost surely, 2^6139765453 is an apocalyptic number.

It is an amenable number.

6139765453 is a deficient number, since it is larger than the sum of its proper divisors (1).

6139765453 is an equidigital number, since it uses as much as digits as its factorization.

6139765453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 49.

The square root of 6139765453 is about 78356.6554480218. The cubic root of 6139765453 is about 1831.1219147943.

The spelling of 6139765453 in words is "six billion, one hundred thirty-nine million, seven hundred sixty-five thousand, four hundred fifty-three".