61619794334 has 8 divisors (see below), whose sum is σ = 105633933168. Its totient is φ = 26408483280.

The previous prime is 61619794321. The next prime is 61619794351. The reversal of 61619794334 is 43349791616.

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

It is a Curzon number.

It is a congruent number.

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, 2200706927 + ... + 2200706954.

It is an arithmetic number, because the mean of its divisors is an integer number (13204241646).

Almost surely, 2^61619794334 is an apocalyptic number.

61619794334 is a deficient number, since it is larger than the sum of its proper divisors (44014138834).

61619794334 is a wasteful number, since it uses less digits than its factorization.

61619794334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401413890.

The product of its digits is 2939328, while the sum is 53.

The spelling of 61619794334 in words is "sixty-one billion, six hundred nineteen million, seven hundred ninety-four thousand, three hundred thirty-four".