7630545961 has 2 divisors, whose sum is σ = 7630545962. Its totient is φ = 7630545960.

The previous prime is 7630545959. The next prime is 7630545983. The reversal of 7630545961 is 1695450367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5075850025 + 2554695936 = 71245^2 + 50544^2 .

It is a cyclic number.

It is not a de Polignac number, because 7630545961 - 2¹ = 7630545959 is a prime.

Together with 7630545959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7630545911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815272980 + 3815272981.

It is an arithmetic number, because the mean of its divisors is an integer number (3815272981).

Almost surely, 2^7630545961 is an apocalyptic number.

It is an amenable number.

7630545961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7630545961 is an equidigital number, since it uses as much as digits as its factorization.

7630545961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 7630545961 is about 87352.9962909115. The cubic root of 7630545961 is about 1968.7256706546.

The spelling of 7630545961 in words is "seven billion, six hundred thirty million, five hundred forty-five thousand, nine hundred sixty-one".