4645653949 has 2 divisors, whose sum is σ = 4645653950. Its totient is φ = 4645653948.

The previous prime is 4645653931. The next prime is 4645653959. The reversal of 4645653949 is 9493565464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4071716100 + 573937849 = 63810^2 + 23957^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645653949 - 2¹³ = 4645645757 is a prime.

It is a super-2 number, since 2×4645653949² = 43164201227718589202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4645653949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4645653959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322826974 + 2322826975.

It is an arithmetic number, because the mean of its divisors is an integer number (2322826975).

Almost surely, 2^4645653949 is an apocalyptic number.

It is an amenable number.

4645653949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645653949 is an equidigital number, since it uses as much as digits as its factorization.

4645653949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 55.

The square root of 4645653949 is about 68159.0342434515. The cubic root of 4645653949 is about 1668.5873706785.

The spelling of 4645653949 in words is "four billion, six hundred forty-five million, six hundred fifty-three thousand, nine hundred forty-nine".