2605163260514 has 4 divisors (see below), whose sum is σ = 3907744890774. Its totient is φ = 1302581630256.

The previous prime is 2605163260493. The next prime is 2605163260547. The reversal of 2605163260514 is 4150623615062.

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 only one way, i.e., 2430215977225 + 174947283289 = 1558915^2 + 418267^2 .

It is a super-2 number, since 2×2605163260514² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651290815127 + ... + 651290815130.

Almost surely, 2^{2605163260514} is an apocalyptic number.

2605163260514 is a deficient number, since it is larger than the sum of its proper divisors (1302581630260).

2605163260514 is a wasteful number, since it uses less digits than its factorization.

2605163260514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302581630259.

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 2605163260514 its reverse (4150623615062), we get a palindrome (6755786875576).

The spelling of 2605163260514 in words is "two trillion, six hundred five billion, one hundred sixty-three million, two hundred sixty thousand, five hundred fourteen".