2465139117869 has 2 divisors, whose sum is σ = 2465139117870. Its totient is φ = 2465139117868.

The previous prime is 2465139117811. The next prime is 2465139117877. The reversal of 2465139117869 is 9687119315642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1686915208969 + 778223908900 = 1298813^2 + 882170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2465139117869 - 2²⁰ = 2465138069293 is a prime.

It is a super-2 number, since 2×2465139117869² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2465139717869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232569558934 + 1232569558935.

It is an arithmetic number, because the mean of its divisors is an integer number (1232569558935).

Almost surely, 2^{2465139117869} is an apocalyptic number.

It is an amenable number.

2465139117869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2465139117869 is an equidigital number, since it uses as much as digits as its factorization.

2465139117869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 62.

The spelling of 2465139117869 in words is "two trillion, four hundred sixty-five billion, one hundred thirty-nine million, one hundred seventeen thousand, eight hundred sixty-nine".