9953492721139 has 16 divisors (see below), whose sum is σ = 11330743843584. Its totient is φ = 8654992799200.

The previous prime is 9953492720987. The next prime is 9953492721167. The reversal of 9953492721139 is 9311272943599.

It is not a de Polignac number, because 9953492721139 - 2⁹ = 9953492720627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9953492721169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9994032 + ... + 10944754.

It is an arithmetic number, because the mean of its divisors is an integer number (708171490224).

Almost surely, 2^{9953492721139} is an apocalyptic number.

9953492721139 is a deficient number, since it is larger than the sum of its proper divisors (1377251122445).

9953492721139 is a wasteful number, since it uses less digits than its factorization.

9953492721139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992138.

The product of its digits is 33067440, while the sum is 64.

The spelling of 9953492721139 in words is "nine trillion, nine hundred fifty-three billion, four hundred ninety-two million, seven hundred twenty-one thousand, one hundred thirty-nine".