8529701438 has 16 divisors (see below), whose sum is σ = 12944305440. Its totient is φ = 4214977536.

The previous prime is 8529701387. The next prime is 8529701447. The reversal of 8529701438 is 8341079258.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8529701392 and 8529701401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421406 + ... + 441182.

It is an arithmetic number, because the mean of its divisors is an integer number (809019090).

Almost surely, 2^8529701438 is an apocalyptic number.

8529701438 is a deficient number, since it is larger than the sum of its proper divisors (4414604002).

8529701438 is a wasteful number, since it uses less digits than its factorization.

8529701438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22291.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 8529701438 is about 92356.3827680578. The cubic root of 8529701438 is about 2043.2018665293.

The spelling of 8529701438 in words is "eight billion, five hundred twenty-nine million, seven hundred one thousand, four hundred thirty-eight".