83373218642 has 24 divisors (see below), whose sum is σ = 147319263360. Its totient is φ = 35279080200.

The previous prime is 83373218611. The next prime is 83373218653. The reversal of 83373218642 is 24681237338.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5376734 + ... + 5392217.

It is an arithmetic number, because the mean of its divisors is an integer number (6138302640).

Almost surely, 2^83373218642 is an apocalyptic number.

83373218642 is a deficient number, since it is larger than the sum of its proper divisors (63946044718).

83373218642 is a wasteful number, since it uses less digits than its factorization.

83373218642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769046 (or 10769039 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The spelling of 83373218642 in words is "eighty-three billion, three hundred seventy-three million, two hundred eighteen thousand, six hundred forty-two".