5451684570 has 24 divisors (see below), whose sum is σ = 14174380116. Its totient is φ = 1453782528.

The previous prime is 5451684551. The next prime is 5451684571. The reversal of 5451684570 is 754861545.

5451684570 is a `hidden beast` number, since 5 + 4 + 516 + 84 + 57 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4839567489 + 612117081 = 69567^2 + 24741^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5451684571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30287047 + ... + 30287226.

Almost surely, 2^5451684570 is an apocalyptic number.

5451684570 is an abundant number, since it is smaller than the sum of its proper divisors (8722695546).

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

5451684570 is a wasteful number, since it uses less digits than its factorization.

5451684570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60574286 (or 60574283 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 5451684570 is about 73835.5237673574. The cubic root of 5451684570 is about 1759.9901611451.

The spelling of 5451684570 in words is "five billion, four hundred fifty-one million, six hundred eighty-four thousand, five hundred seventy".