9870526641 has 4 divisors (see below), whose sum is σ = 13160702192. Its totient is φ = 6580351092.

The previous prime is 9870526639. The next prime is 9870526669. The reversal of 9870526641 is 1466250789.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9870526641 - 2¹ = 9870526639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9870526241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645087771 + ... + 1645087776.

It is an arithmetic number, because the mean of its divisors is an integer number (3290175548).

Almost surely, 2^9870526641 is an apocalyptic number.

It is an amenable number.

9870526641 is a deficient number, since it is larger than the sum of its proper divisors (3290175551).

9870526641 is a wasteful number, since it uses less digits than its factorization.

9870526641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290175550.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 9870526641 is about 99350.5241103438. The cubic root of 9870526641 is about 2145.0962072899.

The spelling of 9870526641 in words is "nine billion, eight hundred seventy million, five hundred twenty-six thousand, six hundred forty-one".