244352121019 has 4 divisors (see below), whose sum is σ = 244495102320. Its totient is φ = 244209139720.

The previous prime is 244352121011. The next prime is 244352121073. The reversal of 244352121019 is 910121253442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 244352121019 - 2³ = 244352121011 is a prime.

It is a super-2 number, since 2×244352121019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244352121011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71488087 + ... + 71491504.

It is an arithmetic number, because the mean of its divisors is an integer number (61123775580).

Almost surely, 2^244352121019 is an apocalyptic number.

244352121019 is a deficient number, since it is larger than the sum of its proper divisors (142981301).

244352121019 is a wasteful number, since it uses less digits than its factorization.

244352121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142981300.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 244352121019 in words is "two hundred forty-four billion, three hundred fifty-two million, one hundred twenty-one thousand, nineteen".