4492818619129 has 3 divisors (see below), whose sum is σ = 4492820738757. Its totient is φ = 4492816499502.

The previous prime is 4492818619123. The next prime is 4492818619153. The reversal of 4492818619129 is 9219168182944.

The square root of 4492818619129 is 2119627.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4492818619129 - 2¹¹ = 4492818617081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4492818619123) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1059814 + ... + 3179440.

It is an arithmetic number, because the mean of its divisors is an integer number (1497606912919).

Almost surely, 2^{4492818619129} is an apocalyptic number.

4492818619129 is the 2119627-th square number.

4492818619129 is the 1059814-th centered octagonal number.

It is an amenable number.

4492818619129 is a deficient number, since it is larger than the sum of its proper divisors (2119628).

4492818619129 is an frugal number, since it uses more digits than its factorization.

4492818619129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239254 (or 2119627 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 64.

Multiplying 4492818619129 by its sum of digits (64), we get a square (287540391624256 = 16957016²).

The spelling of 4492818619129 in words is "four trillion, four hundred ninety-two billion, eight hundred eighteen million, six hundred nineteen thousand, one hundred twenty-nine".