9129969497 has 8 divisors (see below), whose sum is σ = 9976546272. Its totient is φ = 8286156000.

The previous prime is 9129969469. The next prime is 9129969523. The reversal of 9129969497 is 7949699219.

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 9129969497 - 2²² = 9125775193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9129969427) 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, 683903 + ... + 697124.

It is an arithmetic number, because the mean of its divisors is an integer number (1247068284).

Almost surely, 2^9129969497 is an apocalyptic number.

It is an amenable number.

9129969497 is a deficient number, since it is larger than the sum of its proper divisors (846576775).

9129969497 is a wasteful number, since it uses less digits than its factorization.

9129969497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381639.

The product of its digits is 19840464, while the sum is 65.

The square root of 9129969497 is about 95550.8738683221. The cubic root of 9129969497 is about 2090.0488757142.

The spelling of 9129969497 in words is "nine billion, one hundred twenty-nine million, nine hundred sixty-nine thousand, four hundred ninety-seven".