8451688734 has 48 divisors (see below), whose sum is σ = 18577759200. Its totient is φ = 2776405248.

The previous prime is 8451688711. The next prime is 8451688757. The reversal of 8451688734 is 4378861548.

It is an interprime number because it is at equal distance from previous prime (8451688711) and next prime (8451688757).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2743407 + ... + 2746485.

It is an arithmetic number, because the mean of its divisors is an integer number (387036650).

Almost surely, 2^8451688734 is an apocalyptic number.

8451688734 is an abundant number, since it is smaller than the sum of its proper divisors (10126070466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8451688734 is a wasteful number, since it uses less digits than its factorization.

8451688734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5249 (or 5246 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 8451688734 is about 91933.0665973892. The cubic root of 8451688734 is about 2036.9537333603.

The spelling of 8451688734 in words is "eight billion, four hundred fifty-one million, six hundred eighty-eight thousand, seven hundred thirty-four".