9721454234053 has 8 divisors (see below), whose sum is σ = 9734933654496. Its totient is φ = 9707983614000.

The previous prime is 9721454234047. The next prime is 9721454234119. The reversal of 9721454234053 is 3504324541279.

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

It is a cyclic number.

It is not a de Polignac number, because 9721454234053 - 2⁴¹ = 7522430978501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9721454233988 and 9721454234006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9721454234153) 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, 12298 + ... + 4409428.

It is an arithmetic number, because the mean of its divisors is an integer number (1216866706812).

Almost surely, 2^{9721454234053} is an apocalyptic number.

It is an amenable number.

9721454234053 is a deficient number, since it is larger than the sum of its proper divisors (13479420443).

9721454234053 is a wasteful number, since it uses less digits than its factorization.

9721454234053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400195.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 9721454234053 in words is "nine trillion, seven hundred twenty-one billion, four hundred fifty-four million, two hundred thirty-four thousand, fifty-three".