6990143104244 has 24 divisors (see below), whose sum is σ = 12251434101480. Its totient is φ = 3489734514816.

The previous prime is 6990143104171. The next prime is 6990143104247. The reversal of 6990143104244 is 4424013410996.

It can be written as a sum of positive squares in 4 ways, for example, as 419062022500 + 6571081081744 = 647350^2 + 2563412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990143104247) 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, 24922274 + ... + 25201190.

It is an arithmetic number, because the mean of its divisors is an integer number (510476420895).

Almost surely, 2^{6990143104244} is an apocalyptic number.

It is an amenable number.

6990143104244 is a deficient number, since it is larger than the sum of its proper divisors (5261290997236).

6990143104244 is a wasteful number, since it uses less digits than its factorization.

6990143104244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288467 (or 288465 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 6990143104244 in words is "six trillion, nine hundred ninety billion, one hundred forty-three million, one hundred four thousand, two hundred forty-four".