8451354943 has 4 divisors (see below), whose sum is σ = 8723979328. Its totient is φ = 8178730560.

The previous prime is 8451354913. The next prime is 8451354949. The reversal of 8451354943 is 3494531548.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8451354943 - 2⁵ = 8451354911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8451354893 and 8451354902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8451354949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136312146 + ... + 136312207.

It is an arithmetic number, because the mean of its divisors is an integer number (2180994832).

Almost surely, 2^8451354943 is an apocalyptic number.

8451354943 is a deficient number, since it is larger than the sum of its proper divisors (272624385).

8451354943 is a wasteful number, since it uses less digits than its factorization.

8451354943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272624384.

The product of its digits is 1036800, while the sum is 46.

The square root of 8451354943 is about 91931.2511771704. The cubic root of 8451354943 is about 2036.9269171900.

The spelling of 8451354943 in words is "eight billion, four hundred fifty-one million, three hundred fifty-four thousand, nine hundred forty-three".