3740820961 has 2 divisors, whose sum is σ = 3740820962. Its totient is φ = 3740820960.

The previous prime is 3740820943. The next prime is 3740820971. The reversal of 3740820961 is 1690280473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3723440400 + 17380561 = 61020^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3740820961 - 2⁹ = 3740820449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3740820971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1870410480 + 1870410481.

It is an arithmetic number, because the mean of its divisors is an integer number (1870410481).

Almost surely, 2^3740820961 is an apocalyptic number.

It is an amenable number.

3740820961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3740820961 is an equidigital number, since it uses as much as digits as its factorization.

3740820961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3740820961 is about 61162.2511112860. The cubic root of 3740820961 is about 1552.3475991510.

The spelling of 3740820961 in words is "three billion, seven hundred forty million, eight hundred twenty thousand, nine hundred sixty-one".