3554323021 has 2 divisors, whose sum is σ = 3554323022. Its totient is φ = 3554323020.

The previous prime is 3554323001. The next prime is 3554323043. The reversal of 3554323021 is 1203234553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3486902500 + 67420521 = 59050^2 + 8211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3554323021 is a prime.

It is a super-2 number, since 2×3554323021² = 25266424275221132882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3554323001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777161510 + 1777161511.

It is an arithmetic number, because the mean of its divisors is an integer number (1777161511).

Almost surely, 2^3554323021 is an apocalyptic number.

It is an amenable number.

3554323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3554323021 is an equidigital number, since it uses as much as digits as its factorization.

3554323021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 3554323021 is about 59618.1433877306. The cubic root of 3554323021 is about 1526.1092738726.

Adding to 3554323021 its reverse (1203234553), we get a palindrome (4757557574).

It can be divided in two parts, 35543 and 23021, that added together give a square (58564 = 242²).

The spelling of 3554323021 in words is "three billion, five hundred fifty-four million, three hundred twenty-three thousand, twenty-one".