2649540459462 has 24 divisors (see below), whose sum is σ = 5738058038664. Its totient is φ = 815243217984.

The previous prime is 2649540459421. The next prime is 2649540459469.

It is a happy number.

2649540459462 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2649540459462² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2649540459396 and 2649540459405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649540459469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1306478503 + ... + 1306480530.

It is an arithmetic number, because the mean of its divisors is an integer number (239085751611).

Almost surely, 2^{2649540459462} is an apocalyptic number.

2649540459462 is an abundant number, since it is smaller than the sum of its proper divisors (3088517579202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2649540459462 is a wasteful number, since it uses less digits than its factorization.

2649540459462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612959064 (or 2612959051 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 60.

The spelling of 2649540459462 in words is "two trillion, six hundred forty-nine billion, five hundred forty million, four hundred fifty-nine thousand, four hundred sixty-two".