646425483 has 16 divisors (see below), whose sum is σ = 965669376. Its totient is φ = 381183840.

The previous prime is 646425463. The next prime is 646425499. The reversal of 646425483 is 384524646.

It is not a de Polignac number, because 646425483 - 2⁹ = 646424971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (646425463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263491 + ... + 265932.

It is an arithmetic number, because the mean of its divisors is an integer number (60354336).

Almost surely, 2^646425483 is an apocalyptic number.

646425483 is a deficient number, since it is larger than the sum of its proper divisors (319243893).

646425483 is a wasteful number, since it uses less digits than its factorization.

646425483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529474.

The product of its digits is 552960, while the sum is 42.

The square root of 646425483 is about 25424.8988788550. The cubic root of 646425483 is about 864.6482952105.

It can be divided in two parts, 64642 and 5483, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 646425483 in words is "six hundred forty-six million, four hundred twenty-five thousand, four hundred eighty-three".