6425536534 has 4 divisors (see below), whose sum is σ = 9638304804. Its totient is φ = 3212768266.

The previous prime is 6425536499. The next prime is 6425536543. The reversal of 6425536534 is 4356355246.

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

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, 1606384132 + ... + 1606384135.

It is an arithmetic number, because the mean of its divisors is an integer number (2409576201).

Almost surely, 2^6425536534 is an apocalyptic number.

6425536534 is a deficient number, since it is larger than the sum of its proper divisors (3212768270).

6425536534 is a wasteful number, since it uses less digits than its factorization.

6425536534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212768269.

The product of its digits is 1296000, while the sum is 43.

The square root of 6425536534 is about 80159.4444466776. Note that the first 5 decimals coincide. The cubic root of 6425536534 is about 1859.1016332634.

The spelling of 6425536534 in words is "six billion, four hundred twenty-five million, five hundred thirty-six thousand, five hundred thirty-four".