501057602449 has 4 divisors (see below), whose sum is σ = 504420405300. Its totient is φ = 497694799600.

The previous prime is 501057602413. The next prime is 501057602509. The reversal of 501057602449 is 944206750105.

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 97629376849 + 403428225600 = 312457^2 + 635160^2 .

It is a cyclic number.

It is not a de Polignac number, because 501057602449 - 2⁷ = 501057602321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501057608449) 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, 1681401202 + ... + 1681401499.

It is an arithmetic number, because the mean of its divisors is an integer number (126105101325).

Almost surely, 2^501057602449 is an apocalyptic number.

It is an amenable number.

501057602449 is a deficient number, since it is larger than the sum of its proper divisors (3362802851).

501057602449 is a wasteful number, since it uses less digits than its factorization.

501057602449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362802850.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 501057602449 in words is "five hundred one billion, fifty-seven million, six hundred two thousand, four hundred forty-nine".