6862398493 has 4 divisors (see below), whose sum is σ = 7029774108. Its totient is φ = 6695022880.

The previous prime is 6862398479. The next prime is 6862398497. The reversal of 6862398493 is 3948932686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4133589849 + 2728808644 = 64293^2 + 52238^2 .

It is a cyclic number.

It is not a de Polignac number, because 6862398493 - 2⁵ = 6862398461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862398497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83687746 + ... + 83687827.

It is an arithmetic number, because the mean of its divisors is an integer number (1757443527).

Almost surely, 2^6862398493 is an apocalyptic number.

It is an amenable number.

6862398493 is a deficient number, since it is larger than the sum of its proper divisors (167375615).

6862398493 is a wasteful number, since it uses less digits than its factorization.

6862398493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167375614.

The product of its digits is 13436928, while the sum is 58.

The square root of 6862398493 is about 82839.5949591740. The cubic root of 6862398493 is about 1900.3137517876.

The spelling of 6862398493 in words is "six billion, eight hundred sixty-two million, three hundred ninety-eight thousand, four hundred ninety-three".