3754988621 has 2 divisors, whose sum is σ = 3754988622. Its totient is φ = 3754988620.

The previous prime is 3754988593. The next prime is 3754988659. The reversal of 3754988621 is 1268894573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3145639396 + 609349225 = 56086^2 + 24685^2 .

It is a cyclic number.

It is not a de Polignac number, because 3754988621 - 2²² = 3750794317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3754981621) 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, 1877494310 + 1877494311.

It is an arithmetic number, because the mean of its divisors is an integer number (1877494311).

Almost surely, 2^3754988621 is an apocalyptic number.

It is an amenable number.

3754988621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3754988621 is an equidigital number, since it uses as much as digits as its factorization.

3754988621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 3754988621 is about 61277.9619520754. The cubic root of 3754988621 is about 1554.3048723920.

The spelling of 3754988621 in words is "three billion, seven hundred fifty-four million, nine hundred eighty-eight thousand, six hundred twenty-one".