61789003942 has 4 divisors (see below), whose sum is σ = 92683505916. Its totient is φ = 30894501970.

The previous prime is 61789003937. The next prime is 61789003943. The reversal of 61789003942 is 24930098716.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61789003943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15447250984 + ... + 15447250987.

It is an arithmetic number, because the mean of its divisors is an integer number (23170876479).

Almost surely, 2^61789003942 is an apocalyptic number.

61789003942 is a deficient number, since it is larger than the sum of its proper divisors (30894501974).

61789003942 is a wasteful number, since it uses less digits than its factorization.

61789003942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30894501973.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 61789003942 in words is "sixty-one billion, seven hundred eighty-nine million, three thousand, nine hundred forty-two".