2129789574698 has 16 divisors (see below), whose sum is σ = 3509035456320. Its totient is φ = 964984749696.

The previous prime is 2129789574697. The next prime is 2129789574701. The reversal of 2129789574698 is 8964759879212.

It is not an unprimeable number, because it can be changed into a prime (2129789574697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218414215 + ... + 1218415962.

It is an arithmetic number, because the mean of its divisors is an integer number (219314716020).

Almost surely, 2^{2129789574698} is an apocalyptic number.

2129789574698 is a deficient number, since it is larger than the sum of its proper divisors (1379245881622).

2129789574698 is a wasteful number, since it uses less digits than its factorization.

2129789574698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436830221.

The product of its digits is 1097349120, while the sum is 77.

The spelling of 2129789574698 in words is "two trillion, one hundred twenty-nine billion, seven hundred eighty-nine million, five hundred seventy-four thousand, six hundred ninety-eight".