463653538 has 4 divisors (see below), whose sum is σ = 695480310. Its totient is φ = 231826768.

The previous prime is 463653517. The next prime is 463653557. The reversal of 463653538 is 835356364.

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

It can be written as a sum of positive squares in only one way, i.e., 258791569 + 204861969 = 16087^2 + 14313^2 .

It is a junction number, because it is equal to n+sod(n) for n = 463653494 and 463653503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115913383 + ... + 115913386.

Almost surely, 2^463653538 is an apocalyptic number.

463653538 is a deficient number, since it is larger than the sum of its proper divisors (231826772).

463653538 is a wasteful number, since it uses less digits than its factorization.

463653538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231826771.

The product of its digits is 777600, while the sum is 43.

The square root of 463653538 is about 21532.6156794756. The cubic root of 463653538 is about 773.9825916892.

The spelling of 463653538 in words is "four hundred sixty-three million, six hundred fifty-three thousand, five hundred thirty-eight".