61733245400642 has 8 divisors (see below), whose sum is σ = 96625949322816. Its totient is φ = 29524595626372.

The previous prime is 61733245400641. The next prime is 61733245400663. The reversal of 61733245400642 is 24600454233716.

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

It is not an unprimeable number, because it can be changed into a prime (61733245400641) 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, 671013536918 + ... + 671013537009.

It is an arithmetic number, because the mean of its divisors is an integer number (12078243665352).

Almost surely, 2^{61733245400642} is an apocalyptic number.

61733245400642 is a deficient number, since it is larger than the sum of its proper divisors (34892703922174).

61733245400642 is a wasteful number, since it uses less digits than its factorization.

61733245400642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342027073952.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 61733245400642 in words is "sixty-one trillion, seven hundred thirty-three billion, two hundred forty-five million, four hundred thousand, six hundred forty-two".