61574550463 has 8 divisors (see below), whose sum is σ = 62742024576. Its totient is φ = 60407287200.

The previous prime is 61574550449. The next prime is 61574550503. The reversal of 61574550463 is 36405547516.

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

It is a cyclic number.

It is not a de Polignac number, because 61574550463 - 2²¹ = 61572453311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61574550563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616653 + ... + 709513.

It is an arithmetic number, because the mean of its divisors is an integer number (7842753072).

Almost surely, 2^61574550463 is an apocalyptic number.

61574550463 is a deficient number, since it is larger than the sum of its proper divisors (1167474113).

61574550463 is a wasteful number, since it uses less digits than its factorization.

61574550463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105425.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 61574550463 in words is "sixty-one billion, five hundred seventy-four million, five hundred fifty thousand, four hundred sixty-three".