9749397862 has 4 divisors (see below), whose sum is σ = 14624096796. Its totient is φ = 4874698930.

The previous prime is 9749397839. The next prime is 9749397863. The reversal of 9749397862 is 2687939479.

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

It is a junction number, because it is equal to n+sod(n) for n = 9749397794 and 9749397803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9749397863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2437349464 + ... + 2437349467.

It is an arithmetic number, because the mean of its divisors is an integer number (3656024199).

Almost surely, 2^9749397862 is an apocalyptic number.

9749397862 is a deficient number, since it is larger than the sum of its proper divisors (4874698934).

9749397862 is a wasteful number, since it uses less digits than its factorization.

9749397862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874698933.

The product of its digits is 41150592, while the sum is 64.

The square root of 9749397862 is about 98739.0391992954. The cubic root of 9749397862 is about 2136.2853616504.

The spelling of 9749397862 in words is "nine billion, seven hundred forty-nine million, three hundred ninety-seven thousand, eight hundred sixty-two".