2665020469258 has 48 divisors (see below), whose sum is σ = 4732334137440. Its totient is φ = 1122002833056.

The previous prime is 2665020469253. The next prime is 2665020469273. The reversal of 2665020469258 is 8529640205662.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2665020469199 and 2665020469208.

It is not an unprimeable number, because it can be changed into a prime (2665020469253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8089416 + ... + 8412412.

It is an arithmetic number, because the mean of its divisors is an integer number (98590294530).

Almost surely, 2^{2665020469258} is an apocalyptic number.

2665020469258 is a deficient number, since it is larger than the sum of its proper divisors (2067313668182).

2665020469258 is a wasteful number, since it uses less digits than its factorization.

2665020469258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324499 (or 324492 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 2665020469258 in words is "two trillion, six hundred sixty-five billion, twenty million, four hundred sixty-nine thousand, two hundred fifty-eight".