2161948229474 has 16 divisors (see below), whose sum is σ = 3590535460896. Its totient is φ = 968036520000.

The previous prime is 2161948229429. The next prime is 2161948229491. The reversal of 2161948229474 is 4749228491612.

It is a Curzon number.

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, 733359527 + ... + 733362474.

It is an arithmetic number, because the mean of its divisors is an integer number (224408466306).

Almost surely, 2^{2161948229474} is an apocalyptic number.

2161948229474 is a deficient number, since it is larger than the sum of its proper divisors (1428587231422).

2161948229474 is a wasteful number, since it uses less digits than its factorization.

2161948229474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466722081.

The product of its digits is 13934592, while the sum is 59.

The spelling of 2161948229474 in words is "two trillion, one hundred sixty-one billion, nine hundred forty-eight million, two hundred twenty-nine thousand, four hundred seventy-four".