61047542383 has 4 divisors (see below), whose sum is σ = 61958699800. Its totient is φ = 60136384968.

The previous prime is 61047542377. The next prime is 61047542389. The reversal of 61047542383 is 38324574016.

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

It is an interprime number because it is at equal distance from previous prime (61047542377) and next prime (61047542389).

It is a cyclic number.

It is not a de Polignac number, because 61047542383 - 2⁹ = 61047541871 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 (61047542389) 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, 455578608 + ... + 455578741.

It is an arithmetic number, because the mean of its divisors is an integer number (15489674950).

Almost surely, 2^61047542383 is an apocalyptic number.

61047542383 is a deficient number, since it is larger than the sum of its proper divisors (911157417).

61047542383 is an equidigital number, since it uses as much as digits as its factorization.

61047542383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911157416.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 61047542383 in words is "sixty-one billion, forty-seven million, five hundred forty-two thousand, three hundred eighty-three".