3764162821 has 2 divisors, whose sum is σ = 3764162822. Its totient is φ = 3764162820.

The previous prime is 3764162813. The next prime is 3764162863. The reversal of 3764162821 is 1282614673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3649972225 + 114190596 = 60415^2 + 10686^2 .

It is a cyclic number.

It is not a de Polignac number, because 3764162821 - 2³ = 3764162813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3764562821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882081410 + 1882081411.

It is an arithmetic number, because the mean of its divisors is an integer number (1882081411).

Almost surely, 2^3764162821 is an apocalyptic number.

It is an amenable number.

3764162821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3764162821 is an equidigital number, since it uses as much as digits as its factorization.

3764162821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 3764162821 is about 61352.7735395882. The cubic root of 3764162821 is about 1555.5696704141.

The spelling of 3764162821 in words is "three billion, seven hundred sixty-four million, one hundred sixty-two thousand, eight hundred twenty-one".