38242450577 has 4 divisors (see below), whose sum is σ = 39175193316. Its totient is φ = 37309707840.

The previous prime is 38242450573. The next prime is 38242450579. The reversal of 38242450577 is 77505424283.

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 20858291776 + 17384158801 = 144424^2 + 131849^2 .

It is a cyclic number.

It is not a de Polignac number, because 38242450577 - 2² = 38242450573 is a prime.

It is a super-2 number, since 2×38242450577² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38242450573) 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, 466371308 + ... + 466371389.

It is an arithmetic number, because the mean of its divisors is an integer number (9793798329).

Almost surely, 2^38242450577 is an apocalyptic number.

It is an amenable number.

38242450577 is a deficient number, since it is larger than the sum of its proper divisors (932742739).

38242450577 is an equidigital number, since it uses as much as digits as its factorization.

38242450577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932742738.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 38242450577 in words is "thirty-eight billion, two hundred forty-two million, four hundred fifty thousand, five hundred seventy-seven".