2864438401 has 4 divisors (see below), whose sum is σ = 3124841904. Its totient is φ = 2604034900.

The previous prime is 2864438399. The next prime is 2864438417. The reversal of 2864438401 is 1048344682.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2864438401 - 2¹ = 2864438399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2864438201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130201735 + ... + 130201756.

It is an arithmetic number, because the mean of its divisors is an integer number (781210476).

Almost surely, 2^2864438401 is an apocalyptic number.

It is an amenable number.

2864438401 is a deficient number, since it is larger than the sum of its proper divisors (260403503).

2864438401 is a wasteful number, since it uses less digits than its factorization.

2864438401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260403502.

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 2864438401 is about 53520.4484379569. The cubic root of 2864438401 is about 1420.1901486091.

The spelling of 2864438401 in words is "two billion, eight hundred sixty-four million, four hundred thirty-eight thousand, four hundred one".