63578552613 has 8 divisors (see below), whose sum is σ = 86742831648. Its totient is φ = 41399987664.

The previous prime is 63578552599. The next prime is 63578552627. The reversal of 63578552613 is 31625587536.

It is an interprime number because it is at equal distance from previous prime (63578552599) and next prime (63578552627).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63578552613 - 2¹⁷ = 63578421541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63578552663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246428370 + ... + 246428627.

It is an arithmetic number, because the mean of its divisors is an integer number (10842853956).

Almost surely, 2^63578552613 is an apocalyptic number.

It is an amenable number.

63578552613 is a deficient number, since it is larger than the sum of its proper divisors (23164279035).

63578552613 is a wasteful number, since it uses less digits than its factorization.

63578552613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492857043.

The product of its digits is 4536000, while the sum is 51.

The spelling of 63578552613 in words is "sixty-three billion, five hundred seventy-eight million, five hundred fifty-two thousand, six hundred thirteen".