4105210698649 has 4 divisors (see below), whose sum is σ = 4122244768180. Its totient is φ = 4088176629120.

The previous prime is 4105210698587. The next prime is 4105210698653. The reversal of 4105210698649 is 9468960125014.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2833970233600 + 1271240465049 = 1683440^2 + 1127493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4105210698649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4105210698649.

It is not an unprimeable number, because it can be changed into a prime (4105210696649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8517034404 + ... + 8517034885.

It is an arithmetic number, because the mean of its divisors is an integer number (1030561192045).

Almost surely, 2^{4105210698649} is an apocalyptic number.

It is an amenable number.

4105210698649 is a deficient number, since it is larger than the sum of its proper divisors (17034069531).

4105210698649 is a wasteful number, since it uses less digits than its factorization.

4105210698649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17034069530.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 4105210698649 in words is "four trillion, one hundred five billion, two hundred ten million, six hundred ninety-eight thousand, six hundred forty-nine".