9864930642 has 16 divisors (see below), whose sum is σ = 22548412992. Its totient is φ = 2818551600.

The previous prime is 9864930601. The next prime is 9864930643. The reversal of 9864930642 is 2460394689.

It is not an unprimeable number, because it can be changed into a prime (9864930643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117439609 + ... + 117439692.

It is an arithmetic number, because the mean of its divisors is an integer number (1409275812).

Almost surely, 2^9864930642 is an apocalyptic number.

9864930642 is an abundant number, since it is smaller than the sum of its proper divisors (12683482350).

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

9864930642 is a wasteful number, since it uses less digits than its factorization.

9864930642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234879313.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 9864930642 is about 99322.3572112543. The cubic root of 9864930642 is about 2144.6907501854.

It can be divided in two parts, 9864 and 930642, that added together give a triangular number (940506 = T₁₃₇₁).

The spelling of 9864930642 in words is "nine billion, eight hundred sixty-four million, nine hundred thirty thousand, six hundred forty-two".