9667642950 has 384 divisors, whose sum is σ = 32001761280. Its totient is φ = 2099520000.

The previous prime is 9667642879. The next prime is 9667642951. The reversal of 9667642950 is 592467669.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9667642951) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17869680 + ... + 17870220.

It is an arithmetic number, because the mean of its divisors is an integer number (83337920).

Almost surely, 2^9667642950 is an apocalyptic number.

9667642950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9667642950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16000880640).

9667642950 is an abundant number, since it is smaller than the sum of its proper divisors (22334118330).

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

9667642950 is a wasteful number, since it uses less digits than its factorization.

9667642950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The square root of 9667642950 is about 98324.1727653988. The cubic root of 9667642950 is about 2130.2972209717.

The spelling of 9667642950 in words is "nine billion, six hundred sixty-seven million, six hundred forty-two thousand, nine hundred fifty".