7610461921 has 2 divisors, whose sum is σ = 7610461922. Its totient is φ = 7610461920.

The previous prime is 7610461897. The next prime is 7610461939. The reversal of 7610461921 is 1291640167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7610119696 + 342225 = 87236^2 + 585^2 .

It is an emirp because it is prime and its reverse (1291640167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7610461921 - 2⁵ = 7610461889 is a prime.

It is not a weakly prime, because it can be changed into another prime (7610461121) 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, 3805230960 + 3805230961.

It is an arithmetic number, because the mean of its divisors is an integer number (3805230961).

Almost surely, 2^7610461921 is an apocalyptic number.

It is an amenable number.

7610461921 is a deficient number, since it is larger than the sum of its proper divisors (1).

7610461921 is an equidigital number, since it uses as much as digits as its factorization.

7610461921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 7610461921 is about 87237.9614674713. The cubic root of 7610461921 is about 1966.9968862561.

The spelling of 7610461921 in words is "seven billion, six hundred ten million, four hundred sixty-one thousand, nine hundred twenty-one".