3750531782057 has 4 divisors (see below), whose sum is σ = 3752822884356. Its totient is φ = 3748240679760.

The previous prime is 3750531782021. The next prime is 3750531782201. The reversal of 3750531782057 is 7502871350573.

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 2185841014681 + 1564690767376 = 1478459^2 + 1250876^2 .

It is a cyclic number.

It is not a de Polignac number, because 3750531782057 - 2¹⁰ = 3750531781033 is a prime.

It is a super-2 number, since 2×3750531782057² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3750531782357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145548694 + ... + 1145551967.

It is an arithmetic number, because the mean of its divisors is an integer number (938205721089).

Almost surely, 2^{3750531782057} is an apocalyptic number.

It is an amenable number.

3750531782057 is a deficient number, since it is larger than the sum of its proper divisors (2291102299).

3750531782057 is a wasteful number, since it uses less digits than its factorization.

3750531782057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291102298.

The product of its (nonzero) digits is 6174000, while the sum is 53.

The spelling of 3750531782057 in words is "three trillion, seven hundred fifty billion, five hundred thirty-one million, seven hundred eighty-two thousand, fifty-seven".