6209440994593 has 4 divisors (see below), whose sum is σ = 6215101379460. Its totient is φ = 6203780609728.

The previous prime is 6209440994587. The next prime is 6209440994629. The reversal of 6209440994593 is 3954990449026.

It is a happy number.

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 1783247756689 + 4426193237904 = 1335383^2 + 2103852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6209440994593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6209440994513) 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, 2830190788 + ... + 2830192981.

It is an arithmetic number, because the mean of its divisors is an integer number (1553775344865).

Almost surely, 2^{6209440994593} is an apocalyptic number.

It is an amenable number.

6209440994593 is a deficient number, since it is larger than the sum of its proper divisors (5660384867).

6209440994593 is a wasteful number, since it uses less digits than its factorization.

6209440994593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660384866.

The product of its (nonzero) digits is 75582720, while the sum is 64.

The spelling of 6209440994593 in words is "six trillion, two hundred nine billion, four hundred forty million, nine hundred ninety-four thousand, five hundred ninety-three".