61746843603 has 4 divisors (see below), whose sum is σ = 82329124808. Its totient is φ = 41164562400.

The previous prime is 61746843547. The next prime is 61746843619. The reversal of 61746843603 is 30634864716.

61746843603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61746843603 - 2¹³ = 61746835411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61746843643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10291140598 + ... + 10291140603.

It is an arithmetic number, because the mean of its divisors is an integer number (20582281202).

Almost surely, 2^61746843603 is an apocalyptic number.

61746843603 is a deficient number, since it is larger than the sum of its proper divisors (20582281205).

61746843603 is a wasteful number, since it uses less digits than its factorization.

61746843603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20582281204.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 61746843603 in words is "sixty-one billion, seven hundred forty-six million, eight hundred forty-three thousand, six hundred three".