3753220997 has 2 divisors, whose sum is σ = 3753220998. Its totient is φ = 3753220996.

The previous prime is 3753220981. The next prime is 3753221009. The reversal of 3753220997 is 7990223573.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3742258276 + 10962721 = 61174^2 + 3311^2 .

It is an emirp because it is prime and its reverse (7990223573) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3753220997 - 2⁴ = 3753220981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3753220927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1876610498 + 1876610499.

It is an arithmetic number, because the mean of its divisors is an integer number (1876610499).

Almost surely, 2^3753220997 is an apocalyptic number.

It is an amenable number.

3753220997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3753220997 is an equidigital number, since it uses as much as digits as its factorization.

3753220997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 47.

The square root of 3753220997 is about 61263.5372550427. The cubic root of 3753220997 is about 1554.0609428630.

The spelling of 3753220997 in words is "three billion, seven hundred fifty-three million, two hundred twenty thousand, nine hundred ninety-seven".