9899498470 has 16 divisors (see below), whose sum is σ = 18155307600. Its totient is φ = 3885085984.

The previous prime is 9899498467. The next prime is 9899498473. The reversal of 9899498470 is 748949989.

It is an interprime number because it is at equal distance from previous prime (9899498467) and next prime (9899498473).

It is a junction number, because it is equal to n+sod(n) for n = 9899498396 and 9899498405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899498473) 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, 9338620 + ... + 9339679.

It is an arithmetic number, because the mean of its divisors is an integer number (1134706725).

Almost surely, 2^9899498470 is an apocalyptic number.

9899498470 is a deficient number, since it is larger than the sum of its proper divisors (8255809130).

9899498470 is a wasteful number, since it uses less digits than its factorization.

9899498470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678359.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The square root of 9899498470 is about 99496.2233956646. The cubic root of 9899498470 is about 2147.1929091526.

It can be divided in two parts, 9899 and 498470, that added together give a square (508369 = 713²).

The spelling of 9899498470 in words is "nine billion, eight hundred ninety-nine million, four hundred ninety-eight thousand, four hundred seventy".