61419740218 has 8 divisors (see below), whose sum is σ = 92133858240. Its totient is φ = 30708454140.

The previous prime is 61419740203. The next prime is 61419740237. The reversal of 61419740218 is 81204791416.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652908 + ... + 741031.

It is an arithmetic number, because the mean of its divisors is an integer number (11516732280).

Almost surely, 2^61419740218 is an apocalyptic number.

61419740218 is a deficient number, since it is larger than the sum of its proper divisors (30714118022).

61419740218 is a wasteful number, since it uses less digits than its factorization.

61419740218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415972.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 61419740218 in words is "sixty-one billion, four hundred nineteen million, seven hundred forty thousand, two hundred eighteen".