2129498235730 has 16 divisors (see below), whose sum is σ = 3881617038720. Its totient is φ = 841017024432.

The previous prime is 2129498235691. The next prime is 2129498235737. The reversal of 2129498235730 is 375328949212.

It is not an unprimeable number, because it can be changed into a prime (2129498235737) 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, 1347782904 + ... + 1347784483.

It is an arithmetic number, because the mean of its divisors is an integer number (242601064920).

Almost surely, 2^{2129498235730} is an apocalyptic number.

2129498235730 is a deficient number, since it is larger than the sum of its proper divisors (1752118802990).

2129498235730 is a wasteful number, since it uses less digits than its factorization.

2129498235730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695567473.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 2129498235730 in words is "two trillion, one hundred twenty-nine billion, four hundred ninety-eight million, two hundred thirty-five thousand, seven hundred thirty".