38746545238457 has 12 divisors (see below), whose sum is σ = 45072978186276. Its totient is φ = 33210980843040.

The previous prime is 38746545238439. The next prime is 38746545238459. The reversal of 38746545238457 is 75483254564783.

It can be written as a sum of positive squares in 2 ways, for example, as 7913357198761 + 30833188039696 = 2813069^2 + 5552764^2 .

It is not a de Polignac number, because 38746545238457 - 2⁶ = 38746545238393 is a prime.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38746545238459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750707 + ... + 8834967.

It is an arithmetic number, because the mean of its divisors is an integer number (3756081515523).

Almost surely, 2^{38746545238457} is an apocalyptic number.

It is an amenable number.

38746545238457 is a deficient number, since it is larger than the sum of its proper divisors (6326432947819).

38746545238457 is an equidigital number, since it uses as much as digits as its factorization.

38746545238457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182088 (or 8182081 counting only the distinct ones).

The product of its digits is 2709504000, while the sum is 71.

The spelling of 38746545238457 in words is "thirty-eight trillion, seven hundred forty-six billion, five hundred forty-five million, two hundred thirty-eight thousand, four hundred fifty-seven".