109463781898 has 16 divisors (see below), whose sum is σ = 173916417600. Its totient is φ = 51493945536.

The previous prime is 109463781857. The next prime is 109463781907. The reversal of 109463781898 is 898187364901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478998 + ... + 669601.

It is an arithmetic number, because the mean of its divisors is an integer number (10869776100).

Almost surely, 2^109463781898 is an apocalyptic number.

109463781898 is a deficient number, since it is larger than the sum of its proper divisors (64452635702).

109463781898 is a wasteful number, since it uses less digits than its factorization.

109463781898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151421.

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 109463781898 in words is "one hundred nine billion, four hundred sixty-three million, seven hundred eighty-one thousand, eight hundred ninety-eight".