6390734062 has 4 divisors (see below), whose sum is σ = 9586101096. Its totient is φ = 3195367030.

The previous prime is 6390734059. The next prime is 6390734143. The reversal of 6390734062 is 2604370936.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597683514 + ... + 1597683517.

It is an arithmetic number, because the mean of its divisors is an integer number (2396525274).

Almost surely, 2^6390734062 is an apocalyptic number.

6390734062 is a deficient number, since it is larger than the sum of its proper divisors (3195367034).

6390734062 is a wasteful number, since it uses less digits than its factorization.

6390734062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195367033.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 6390734062 is about 79942.0669109825. The cubic root of 6390734062 is about 1855.7390866307.

It can be divided in two parts, 63907 and 34062, that added together give a square (97969 = 313²).

The spelling of 6390734062 in words is "six billion, three hundred ninety million, seven hundred thirty-four thousand, sixty-two".