5468887621 has 2 divisors, whose sum is σ = 5468887622. Its totient is φ = 5468887620.

The previous prime is 5468887609. The next prime is 5468887681. The reversal of 5468887621 is 1267888645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5360436225 + 108451396 = 73215^2 + 10414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5468887621 is a prime.

It is a super-2 number, since 2×5468887621² = 59817463622254079282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5468887681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2734443810 + 2734443811.

It is an arithmetic number, because the mean of its divisors is an integer number (2734443811).

Almost surely, 2^5468887621 is an apocalyptic number.

It is an amenable number.

5468887621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5468887621 is an equidigital number, since it uses as much as digits as its factorization.

5468887621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 55.

The square root of 5468887621 is about 73951.9277706809. The cubic root of 5468887621 is about 1761.8394616549.

The spelling of 5468887621 in words is "five billion, four hundred sixty-eight million, eight hundred eighty-seven thousand, six hundred twenty-one".