61451847593 has 8 divisors (see below), whose sum is σ = 62767353600. Its totient is φ = 60136675840.

The previous prime is 61451847559. The next prime is 61451847629. The reversal of 61451847593 is 39574815416.

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 61451847593 - 2⁸ = 61451847337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61451847493) 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, 307433 + ... + 466281.

It is an arithmetic number, because the mean of its divisors is an integer number (7845919200).

Almost surely, 2^61451847593 is an apocalyptic number.

It is an amenable number.

61451847593 is a deficient number, since it is larger than the sum of its proper divisors (1315506007).

61451847593 is a wasteful number, since it uses less digits than its factorization.

61451847593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167127.

The product of its digits is 3628800, while the sum is 53.

The spelling of 61451847593 in words is "sixty-one billion, four hundred fifty-one million, eight hundred forty-seven thousand, five hundred ninety-three".