3754622021 has 2 divisors, whose sum is σ = 3754622022. Its totient is φ = 3754622020.

The previous prime is 3754622017. The next prime is 3754622063. The reversal of 3754622021 is 1202264573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1917213796 + 1837408225 = 43786^2 + 42865^2 .

It is an emirp because it is prime and its reverse (1202264573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3754622021 - 2² = 3754622017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3754622321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877311010 + 1877311011.

It is an arithmetic number, because the mean of its divisors is an integer number (1877311011).

Almost surely, 2^3754622021 is an apocalyptic number.

It is an amenable number.

3754622021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3754622021 is an equidigital number, since it uses as much as digits as its factorization.

3754622021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 3754622021 is about 61274.9705915882. The cubic root of 3754622021 is about 1554.2542884206.

Adding to 3754622021 its reverse (1202264573), we get a palindrome (4956886594).

The spelling of 3754622021 in words is "three billion, seven hundred fifty-four million, six hundred twenty-two thousand, twenty-one".