6389474053 has 4 divisors (see below), whose sum is σ = 6396930540. Its totient is φ = 6382017568.

The previous prime is 6389474011. The next prime is 6389474107. The reversal of 6389474053 is 3504749836.

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 4797224644 + 1592249409 = 69262^2 + 39903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6389474053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6389473988 and 6389474006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389474353) 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, 3726958 + ... + 3728671.

It is an arithmetic number, because the mean of its divisors is an integer number (1599232635).

Almost surely, 2^6389474053 is an apocalyptic number.

It is an amenable number.

6389474053 is a deficient number, since it is larger than the sum of its proper divisors (7456487).

6389474053 is an equidigital number, since it uses as much as digits as its factorization.

6389474053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456486.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 6389474053 is about 79934.1857592857. The cubic root of 6389474053 is about 1855.6171182926.

The spelling of 6389474053 in words is "six billion, three hundred eighty-nine million, four hundred seventy-four thousand, fifty-three".