9797249015 has 32 divisors (see below), whose sum is σ = 12627057600. Its totient is φ = 7274741760.

The previous prime is 9797248997. The next prime is 9797249023. The reversal of 9797249015 is 5109427979.

It is not a de Polignac number, because 9797249015 - 2²⁶ = 9730140151 is a prime.

It is a super-3 number, since 3×9797249015³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6952631 + ... + 6954039.

It is an arithmetic number, because the mean of its divisors is an integer number (394595550).

Almost surely, 2^9797249015 is an apocalyptic number.

9797249015 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9797249015 is a deficient number, since it is larger than the sum of its proper divisors (2829808585).

9797249015 is a wasteful number, since it uses less digits than its factorization.

9797249015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 1428840, while the sum is 53.

The square root of 9797249015 is about 98981.0538183950. The cubic root of 9797249015 is about 2139.7747029683.

The spelling of 9797249015 in words is "nine billion, seven hundred ninety-seven million, two hundred forty-nine thousand, fifteen".