2279625884649 has 27 divisors (see below), whose sum is σ = 3302958766653. Its totient is φ = 1515073096152.

The previous prime is 2279625884639. The next prime is 2279625884663. The reversal of 2279625884649 is 9464885269722.

The square root of 2279625884649 is 1509843.

It is a perfect power (a square), and thus also a powerful number.

2279625884649 is a `hidden beast` number, since 2 + 27 + 9 + 62 + 5 + 88 + 464 + 9 = 666.

It is not a de Polignac number, because 2279625884649 - 2⁷ = 2279625884521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2279625884609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2097171384 + ... + 2097172470.

Almost surely, 2^{2279625884649} is an apocalyptic number.

2279625884649 is the 1509843-rd square number.

2279625884649 is the 754922-nd centered octagonal number.

It is an amenable number.

2279625884649 is a deficient number, since it is larger than the sum of its proper divisors (1023332882004).

2279625884649 is an frugal number, since it uses more digits than its factorization.

2279625884649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 1553 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 72.

The spelling of 2279625884649 in words is "two trillion, two hundred seventy-nine billion, six hundred twenty-five million, eight hundred eighty-four thousand, six hundred forty-nine".