5642689452 has 48 divisors (see below), whose sum is σ = 14073841152. Its totient is φ = 1755233920.

The previous prime is 5642689441. The next prime is 5642689489. The reversal of 5642689452 is 2549862465.

It is a junction number, because it is equal to n+sod(n) for n = 5642689395 and 5642689404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238008 + ... + 260639.

It is an arithmetic number, because the mean of its divisors is an integer number (293205024).

Almost surely, 2^5642689452 is an apocalyptic number.

It is an amenable number.

5642689452 is an abundant number, since it is smaller than the sum of its proper divisors (8431151700).

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

5642689452 is a wasteful number, since it uses less digits than its factorization.

5642689452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498718 (or 498716 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The square root of 5642689452 is about 75117.8371094376. The cubic root of 5642689452 is about 1780.3089826789.

The spelling of 5642689452 in words is "five billion, six hundred forty-two million, six hundred eighty-nine thousand, four hundred fifty-two".