9721490367 has 8 divisors (see below), whose sum is σ = 13018590640. Its totient is φ = 6452691840.

The previous prime is 9721490351. The next prime is 9721490369. The reversal of 9721490367 is 7630941279.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9721490367 - 2⁴ = 9721490351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9721490369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074634 + ... + 7076007.

It is an arithmetic number, because the mean of its divisors is an integer number (1627323830).

Almost surely, 2^9721490367 is an apocalyptic number.

9721490367 is a deficient number, since it is larger than the sum of its proper divisors (3297100273).

9721490367 is a wasteful number, since it uses less digits than its factorization.

9721490367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150873.

The product of its (nonzero) digits is 571536, while the sum is 48.

The square root of 9721490367 is about 98597.6184651536. The cubic root of 9721490367 is about 2134.2450527658.

The spelling of 9721490367 in words is "nine billion, seven hundred twenty-one million, four hundred ninety thousand, three hundred sixty-seven".