61463353563 has 12 divisors (see below), whose sum is σ = 88785392488. Its totient is φ = 40973264640.

The previous prime is 61463353489. The next prime is 61463353571. The reversal of 61463353563 is 36535336416.

61463353563 is a `hidden beast` number, since 6 + 1 + 4 + 6 + 33 + 53 + 563 = 666.

61463353563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61463353563 - 2¹³ = 61463345371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61463353573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14470 + ... + 350907.

Almost surely, 2^61463353563 is an apocalyptic number.

61463353563 is a deficient number, since it is larger than the sum of its proper divisors (27322038925).

61463353563 is a wasteful number, since it uses less digits than its factorization.

61463353563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384074 (or 384071 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 45.

Adding to 61463353563 its reverse (36535336416), we get a palindrome (97998689979).

The spelling of 61463353563 in words is "sixty-one billion, four hundred sixty-three million, three hundred fifty-three thousand, five hundred sixty-three".