63430423525 has 24 divisors (see below), whose sum is σ = 89943300800. Its totient is φ = 43469343360.

The previous prime is 63430423481. The next prime is 63430423543. The reversal of 63430423525 is 52532403436.

It is not a de Polignac number, because 63430423525 - 2¹³ = 63430415333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190657 + ... + 403993.

Almost surely, 2^63430423525 is an apocalyptic number.

It is an amenable number.

63430423525 is a deficient number, since it is larger than the sum of its proper divisors (26512877275).

63430423525 is a wasteful number, since it uses less digits than its factorization.

63430423525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215053 (or 215048 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 63430423525 in words is "sixty-three billion, four hundred thirty million, four hundred twenty-three thousand, five hundred twenty-five".