9897026351 has 4 divisors (see below), whose sum is σ = 9897233304. Its totient is φ = 9896819400.

The previous prime is 9897026287. The next prime is 9897026387. The reversal of 9897026351 is 1536207989.

9897026351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1536207989 = 137 ⋅11213197.

It is a cyclic number.

It is not a de Polignac number, because 9897026351 - 2⁶ = 9897026287 is a prime.

It is a super-2 number, since 2×9897026351² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9897026351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897076351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9041 + ... + 140981.

It is an arithmetic number, because the mean of its divisors is an integer number (2474308326).

Almost surely, 2^9897026351 is an apocalyptic number.

9897026351 is a deficient number, since it is larger than the sum of its proper divisors (206953).

9897026351 is a wasteful number, since it uses less digits than its factorization.

9897026351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206952.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 9897026351 is about 99483.7994399088. The cubic root of 9897026351 is about 2147.0141607606.

The spelling of 9897026351 in words is "nine billion, eight hundred ninety-seven million, twenty-six thousand, three hundred fifty-one".