4419501312121 has 9 divisors (see below), whose sum is σ = 5141069665221. Its totient is φ = 3788131368252.

The previous prime is 4419501312029. The next prime is 4419501312131. The reversal of 4419501312121 is 1212131059144.

The square root of 4419501312121 is 2102261.

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

It is not a de Polignac number, because 4419501312121 - 2⁷ = 4419501311993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4419501312131) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14565666 + ... + 14865988.

Almost surely, 2^{4419501312121} is an apocalyptic number.

4419501312121 is the 2102261-st square number.

4419501312121 is the 1051131-st centered octagonal number.

It is an amenable number.

4419501312121 is a deficient number, since it is larger than the sum of its proper divisors (721568353100).

4419501312121 is an frugal number, since it uses more digits than its factorization.

4419501312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600660 (or 300330 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 4419501312121 in words is "four trillion, four hundred nineteen billion, five hundred one million, three hundred twelve thousand, one hundred twenty-one".