61189412483 has 4 divisors (see below), whose sum is σ = 61193430480. Its totient is φ = 61185394488.

The previous prime is 61189412477. The next prime is 61189412491. The reversal of 61189412483 is 38421498116.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61189412483 - 2¹² = 61189408387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61189412783) 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 3 ways as a sum of consecutive naturals, for example, 1986068 + ... + 2016641.

It is an arithmetic number, because the mean of its divisors is an integer number (15298357620).

Almost surely, 2^61189412483 is an apocalyptic number.

61189412483 is a deficient number, since it is larger than the sum of its proper divisors (4017997).

61189412483 is a wasteful number, since it uses less digits than its factorization.

61189412483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017996.

The product of its digits is 331776, while the sum is 47.

The spelling of 61189412483 in words is "sixty-one billion, one hundred eighty-nine million, four hundred twelve thousand, four hundred eighty-three".