2475989664436 has 6 divisors (see below), whose sum is σ = 4332981912770. Its totient is φ = 1237994832216.

The previous prime is 2475989664427. The next prime is 2475989664461. The reversal of 2475989664436 is 6344669895742.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2471674488336 + 4315176100 = 1572156^2 + 65690^2 .

It is a super-2 number, since 2×2475989664436² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 309498708051 + ... + 309498708058.

Almost surely, 2^{2475989664436} is an apocalyptic number.

It is an amenable number.

2475989664436 is a deficient number, since it is larger than the sum of its proper divisors (1856992248334).

2475989664436 is a wasteful number, since it uses less digits than its factorization.

2475989664436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618997416113 (or 618997416111 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 73.

The spelling of 2475989664436 in words is "two trillion, four hundred seventy-five billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred thirty-six".