6498998946 has 48 divisors (see below), whose sum is σ = 15381606240. Its totient is φ = 1966786560.

The previous prime is 6498998941. The next prime is 6498998951.

It is a happy number.

6498998946 is a `hidden beast` number, since 6 + 498 + 9 + 98 + 9 + 46 = 666.

6498998946 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6498998941) and next prime (6498998951).

It is a super-2 number, since 2×6498998946² = 84473974600218221832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6498998941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130921 + ... + 173603.

It is an arithmetic number, because the mean of its divisors is an integer number (320450130).

Almost surely, 2^6498998946 is an apocalyptic number.

6498998946 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6498998946 is an abundant number, since it is smaller than the sum of its proper divisors (8882607294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6498998946 is a wasteful number, since it uses less digits than its factorization.

6498998946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43471 (or 43468 counting only the distinct ones).

The product of its digits is 241864704, while the sum is 72.

The square root of 6498998946 is about 80616.3689705757. The cubic root of 6498998946 is about 1866.1597672021.

The spelling of 6498998946 in words is "six billion, four hundred ninety-eight million, nine hundred ninety-eight thousand, nine hundred forty-six".