2782498618813 has 4 divisors (see below), whose sum is σ = 2928945914560. Its totient is φ = 2636051323068.

The previous prime is 2782498618793. The next prime is 2782498618871. The reversal of 2782498618813 is 3188168942872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2782498618813 - 2⁹ = 2782498618301 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 (2782498658813) 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, 73223647845 + ... + 73223647882.

It is an arithmetic number, because the mean of its divisors is an integer number (732236478640).

Almost surely, 2^{2782498618813} is an apocalyptic number.

It is an amenable number.

2782498618813 is a deficient number, since it is larger than the sum of its proper divisors (146447295747).

2782498618813 is a wasteful number, since it uses less digits than its factorization.

2782498618813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146447295746.

The product of its digits is 74317824, while the sum is 67.

The spelling of 2782498618813 in words is "two trillion, seven hundred eighty-two billion, four hundred ninety-eight million, six hundred eighteen thousand, eight hundred thirteen".