9701849523 has 4 divisors (see below), whose sum is σ = 12935799368. Its totient is φ = 6467899680.

The previous prime is 9701849519. The next prime is 9701849551. The reversal of 9701849523 is 3259481079.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9701849523 - 2² = 9701849519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9701849923) 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, 1616974918 + ... + 1616974923.

It is an arithmetic number, because the mean of its divisors is an integer number (3233949842).

Almost surely, 2^9701849523 is an apocalyptic number.

9701849523 is a deficient number, since it is larger than the sum of its proper divisors (3233949845).

9701849523 is a wasteful number, since it uses less digits than its factorization.

9701849523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233949844.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 9701849523 is about 98497.9671008493. The cubic root of 9701849523 is about 2132.8067741255.

The spelling of 9701849523 in words is "nine billion, seven hundred one million, eight hundred forty-nine thousand, five hundred twenty-three".