2621236468 has 6 divisors (see below), whose sum is σ = 4587163826. Its totient is φ = 1310618232.

The previous prime is 2621236463. The next prime is 2621236489. The reversal of 2621236468 is 8646321262.

It can be written as a sum of positive squares in only one way, i.e., 2131853584 + 489382884 = 46172^2 + 22122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2621236468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621236463) 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 as a sum of consecutive naturals, namely, 327654555 + ... + 327654562.

Almost surely, 2^2621236468 is an apocalyptic number.

It is an amenable number.

2621236468 is a deficient number, since it is larger than the sum of its proper divisors (1965927358).

2621236468 is a wasteful number, since it uses less digits than its factorization.

2621236468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655309121 (or 655309119 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 2621236468 is about 51198.0123442307. The cubic root of 2621236468 is about 1378.8025157683.

The spelling of 2621236468 in words is "two billion, six hundred twenty-one million, two hundred thirty-six thousand, four hundred sixty-eight".