4321977249 has 8 divisors (see below), whose sum is σ = 5843800512. Its totient is φ = 2840736080.

The previous prime is 4321977221. The next prime is 4321977353. The reversal of 4321977249 is 9427791234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4321977249 - 2⁵ = 4321977217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4321977198 and 4321977207.

It is not an unprimeable number, because it can be changed into a prime (4321957249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10145274 + ... + 10145699.

It is an arithmetic number, because the mean of its divisors is an integer number (730475064).

Almost surely, 2^4321977249 is an apocalyptic number.

It is an amenable number.

4321977249 is a deficient number, since it is larger than the sum of its proper divisors (1521823263).

4321977249 is a wasteful number, since it uses less digits than its factorization.

4321977249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291047.

The product of its digits is 762048, while the sum is 48.

The square root of 4321977249 is about 65741.7466226750. The cubic root of 4321977249 is about 1628.8990079613.

The spelling of 4321977249 in words is "four billion, three hundred twenty-one million, nine hundred seventy-seven thousand, two hundred forty-nine".