3755663993 has 2 divisors, whose sum is σ = 3755663994. Its totient is φ = 3755663992.

The previous prime is 3755663983. The next prime is 3755664061. The reversal of 3755663993 is 3993665573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3003368809 + 752295184 = 54803^2 + 27428^2 .

It is a cyclic number.

It is not a de Polignac number, because 3755663993 - 2²⁴ = 3738886777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3755663963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1877831996 + 1877831997.

It is an arithmetic number, because the mean of its divisors is an integer number (1877831997).

Almost surely, 2^3755663993 is an apocalyptic number.

It is an amenable number.

3755663993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3755663993 is an equidigital number, since it uses as much as digits as its factorization.

3755663993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13778100, while the sum is 56.

The square root of 3755663993 is about 61283.4724293590. The cubic root of 3755663993 is about 1554.3980525289.

The spelling of 3755663993 in words is "three billion, seven hundred fifty-five million, six hundred sixty-three thousand, nine hundred ninety-three".