5423001949 has 4 divisors (see below), whose sum is σ = 5423251900. Its totient is φ = 5422752000.

The previous prime is 5423001937. The next prime is 5423001953. The reversal of 5423001949 is 9491003245.

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 3938441049 + 1484560900 = 62757^2 + 38530^2 .

It is a cyclic number.

It is not a de Polignac number, because 5423001949 - 2¹⁹ = 5422477661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423001919) 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 in 3 ways as a sum of consecutive naturals, for example, 88974 + ... + 136975.

It is an arithmetic number, because the mean of its divisors is an integer number (1355812975).

Almost surely, 2^5423001949 is an apocalyptic number.

It is an amenable number.

5423001949 is a deficient number, since it is larger than the sum of its proper divisors (249951).

5423001949 is a wasteful number, since it uses less digits than its factorization.

5423001949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249950.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 5423001949 is about 73641.0344101711. The cubic root of 5423001949 is about 1756.8981553072.

The spelling of 5423001949 in words is "five billion, four hundred twenty-three million, one thousand, nine hundred forty-nine".