2465655284821 has 2 divisors, whose sum is σ = 2465655284822. Its totient is φ = 2465655284820.

The previous prime is 2465655284789. The next prime is 2465655284879. The reversal of 2465655284821 is 1284825565642.

It is a happy number.

It is an a-pointer prime, because the next prime (2465655284879) can be obtained adding 2465655284821 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2130227820900 + 335427463921 = 1459530^2 + 579161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2465655284821 - 2⁵ = 2465655284789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2465655284891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232827642410 + 1232827642411.

It is an arithmetic number, because the mean of its divisors is an integer number (1232827642411).

Almost surely, 2^{2465655284821} is an apocalyptic number.

It is an amenable number.

2465655284821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2465655284821 is an equidigital number, since it uses as much as digits as its factorization.

2465655284821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864000, while the sum is 58.

The spelling of 2465655284821 in words is "two trillion, four hundred sixty-five billion, six hundred fifty-five million, two hundred eighty-four thousand, eight hundred twenty-one".