4954488661 has 2 divisors, whose sum is σ = 4954488662. Its totient is φ = 4954488660.

The previous prime is 4954488647. The next prime is 4954488677. The reversal of 4954488661 is 1668844594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4803321636 + 151167025 = 69306^2 + 12295^2 .

It is a cyclic number.

It is not a de Polignac number, because 4954488661 - 2²³ = 4946100053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4954486661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2477244330 + 2477244331.

It is an arithmetic number, because the mean of its divisors is an integer number (2477244331).

Almost surely, 2^4954488661 is an apocalyptic number.

It is an amenable number.

4954488661 is a deficient number, since it is larger than the sum of its proper divisors (1).

4954488661 is an equidigital number, since it uses as much as digits as its factorization.

4954488661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 55.

The square root of 4954488661 is about 70388.1286936938. The cubic root of 4954488661 is about 1704.7719054008.

The spelling of 4954488661 in words is "four billion, nine hundred fifty-four million, four hundred eighty-eight thousand, six hundred sixty-one".