9451464139 has 8 divisors (see below), whose sum is σ = 10714210640. Its totient is φ = 8265247776.

The previous prime is 9451464131. The next prime is 9451464151. The reversal of 9451464139 is 9314641549.

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 9451464139 - 2³ = 9451464131 is a prime.

It is a super-2 number, since 2×9451464139² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9451464131) 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 7 ways as a sum of consecutive naturals, for example, 19132272 + ... + 19132765.

It is an arithmetic number, because the mean of its divisors is an integer number (1339276330).

Almost surely, 2^9451464139 is an apocalyptic number.

9451464139 is a deficient number, since it is larger than the sum of its proper divisors (1262746501).

9451464139 is a wasteful number, since it uses less digits than its factorization.

9451464139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38265069.

The product of its digits is 466560, while the sum is 46.

The square root of 9451464139 is about 97218.6409028639. The cubic root of 9451464139 is about 2114.2988015462.

The spelling of 9451464139 in words is "nine billion, four hundred fifty-one million, four hundred sixty-four thousand, one hundred thirty-nine".