6499954599946 has 8 divisors (see below), whose sum is σ = 9909766849284. Its totient is φ = 3196698983520.

The previous prime is 6499954599913. The next prime is 6499954599953.

It is a happy number.

6499954599946 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 6498446132025 + 1508467921 = 2549205^2 + 38839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26639158075 + ... + 26639158318.

Almost surely, 2^{6499954599946} is an apocalyptic number.

6499954599946 is a deficient number, since it is larger than the sum of its proper divisors (3409812249338).

6499954599946 is a wasteful number, since it uses less digits than its factorization.

6499954599946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53278316456.

The product of its digits is 30611001600, while the sum is 88.

The spelling of 6499954599946 in words is "six trillion, four hundred ninety-nine billion, nine hundred fifty-four million, five hundred ninety-nine thousand, nine hundred forty-six".