2169923919254 has 64 divisors (see below), whose sum is σ = 4226597813760. Its totient is φ = 811372101120.

The previous prime is 2169923919253. The next prime is 2169923919259. The reversal of 2169923919254 is 4529193299612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2169923919253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 772709 + ... + 2221919.

It is an arithmetic number, because the mean of its divisors is an integer number (66040590840).

Almost surely, 2^{2169923919254} is an apocalyptic number.

2169923919254 is a deficient number, since it is larger than the sum of its proper divisors (2056673894506).

2169923919254 is a wasteful number, since it uses less digits than its factorization.

2169923919254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449685.

The product of its digits is 18895680, while the sum is 62.

The spelling of 2169923919254 in words is "two trillion, one hundred sixty-nine billion, nine hundred twenty-three million, nine hundred nineteen thousand, two hundred fifty-four".