5249445953 has 4 divisors (see below), whose sum is σ = 5249669460. Its totient is φ = 5249222448.

The previous prime is 5249445937. The next prime is 5249445979. The reversal of 5249445953 is 3595449425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3981231409 + 1268214544 = 63097^2 + 35612^2 .

It is a cyclic number.

It is not a de Polignac number, because 5249445953 - 2⁴ = 5249445937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5249445923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71750 + ... + 125087.

It is an arithmetic number, because the mean of its divisors is an integer number (1312417365).

Almost surely, 2^5249445953 is an apocalyptic number.

It is an amenable number.

5249445953 is a deficient number, since it is larger than the sum of its proper divisors (223507).

5249445953 is a wasteful number, since it uses less digits than its factorization.

5249445953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223506.

The product of its digits is 3888000, while the sum is 50.

The square root of 5249445953 is about 72453.0603425418. The cubic root of 5249445953 is about 1737.9521811770.

The spelling of 5249445953 in words is "five billion, two hundred forty-nine million, four hundred forty-five thousand, nine hundred fifty-three".