61233388894 has 4 divisors (see below), whose sum is σ = 91850083344. Its totient is φ = 30616694446.

The previous prime is 61233388883. The next prime is 61233388919. The reversal of 61233388894 is 49888333216.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15308347222 + ... + 15308347225.

It is an arithmetic number, because the mean of its divisors is an integer number (22962520836).

Almost surely, 2^61233388894 is an apocalyptic number.

61233388894 is a deficient number, since it is larger than the sum of its proper divisors (30616694450).

61233388894 is a wasteful number, since it uses less digits than its factorization.

61233388894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30616694449.

The product of its digits is 5971968, while the sum is 55.

The spelling of 61233388894 in words is "sixty-one billion, two hundred thirty-three million, three hundred eighty-eight thousand, eight hundred ninety-four".