4621362649 has 2 divisors, whose sum is σ = 4621362650. Its totient is φ = 4621362648.

The previous prime is 4621362617. The next prime is 4621362659. The reversal of 4621362649 is 9462631264.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4456497049 + 164865600 = 66757^2 + 12840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4621362649 - 2⁵ = 4621362617 is a prime.

It is not a weakly prime, because it can be changed into another prime (4621362659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310681324 + 2310681325.

It is an arithmetic number, because the mean of its divisors is an integer number (2310681325).

Almost surely, 2^4621362649 is an apocalyptic number.

It is an amenable number.

4621362649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621362649 is an equidigital number, since it uses as much as digits as its factorization.

4621362649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 43.

The square root of 4621362649 is about 67980.6049472936. The cubic root of 4621362649 is about 1665.6740379214.

The spelling of 4621362649 in words is "four billion, six hundred twenty-one million, three hundred sixty-two thousand, six hundred forty-nine".