2366444421 has 72 divisors (see below), whose sum is σ = 4003388064. Its totient is φ = 1335498240.

The previous prime is 2366444389. The next prime is 2366444453. The reversal of 2366444421 is 1244446632.

2366444421 is a `hidden beast` number, since 2 + 3 + 6 + 644 + 4 + 4 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2366444389) and next prime (2366444453).

It is not a de Polignac number, because 2366444421 - 2⁵ = 2366444389 is a prime.

It is a super-4 number, since 4×2366444421⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2366444461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3060991 + ... + 3061763.

It is an arithmetic number, because the mean of its divisors is an integer number (55602612).

Almost surely, 2^2366444421 is an apocalyptic number.

It is an amenable number.

2366444421 is a deficient number, since it is larger than the sum of its proper divisors (1636943643).

2366444421 is a wasteful number, since it uses less digits than its factorization.

2366444421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 911 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 2366444421 is about 48646.1141408027. The cubic root of 2366444421 is about 1332.5968110525.

The spelling of 2366444421 in words is "two billion, three hundred sixty-six million, four hundred forty-four thousand, four hundred twenty-one".