2945586855493 has 16 divisors (see below), whose sum is σ = 3178518090480. Its totient is φ = 2719311502336.

The previous prime is 2945586855469. The next prime is 2945586855499. The reversal of 2945586855493 is 3945586855492.

It can be written as a sum of positive squares in 8 ways, for example, as 1114496155809 + 1831090699684 = 1055697^2 + 1353178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945586855493 - 2²⁹ = 2945049984581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945586855499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111903 + ... + 3946531.

It is an arithmetic number, because the mean of its divisors is an integer number (198657380655).

Almost surely, 2^{2945586855493} is an apocalyptic number.

It is an amenable number.

2945586855493 is a deficient number, since it is larger than the sum of its proper divisors (232931234987).

2945586855493 is a wasteful number, since it uses less digits than its factorization.

2945586855493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838616.

The product of its digits is 1866240000, while the sum is 73.

Subtracting 2945586855493 from its reverse (3945586855492), we obtain a palindrome (999999999999).

The spelling of 2945586855493 in words is "two trillion, nine hundred forty-five billion, five hundred eighty-six million, eight hundred fifty-five thousand, four hundred ninety-three".