9456439801 has 4 divisors (see below), whose sum is σ = 9456683392. Its totient is φ = 9456196212.

The previous prime is 9456439789. The next prime is 9456439841. The reversal of 9456439801 is 1089346549.

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 9456439801 - 2¹⁵ = 9456407033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9456439841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49101 + ... + 146026.

It is an arithmetic number, because the mean of its divisors is an integer number (2364170848).

Almost surely, 2^9456439801 is an apocalyptic number.

It is an amenable number.

9456439801 is a deficient number, since it is larger than the sum of its proper divisors (243591).

9456439801 is a wasteful number, since it uses less digits than its factorization.

9456439801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243590.

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 9456439801 is about 97244.2275973232. The cubic root of 9456439801 is about 2114.6697560890.

The spelling of 9456439801 in words is "nine billion, four hundred fifty-six million, four hundred thirty-nine thousand, eight hundred one".