9872152442 has 16 divisors (see below), whose sum is σ = 14891904000. Its totient is φ = 4908206160.

The previous prime is 9872152439. The next prime is 9872152517. The reversal of 9872152442 is 2442512789.

It is a junction number, because it is equal to n+sod(n) for n = 9872152393 and 9872152402.

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, 1417184 + ... + 1424132.

It is an arithmetic number, because the mean of its divisors is an integer number (930744000).

Almost surely, 2^9872152442 is an apocalyptic number.

9872152442 is a deficient number, since it is larger than the sum of its proper divisors (5019751558).

9872152442 is a wasteful number, since it uses less digits than its factorization.

9872152442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861.

The product of its digits is 322560, while the sum is 44.

The square root of 9872152442 is about 99358.7059195117. The cubic root of 9872152442 is about 2145.2139756801.

The spelling of 9872152442 in words is "nine billion, eight hundred seventy-two million, one hundred fifty-two thousand, four hundred forty-two".