4136398457 has 4 divisors (see below), whose sum is σ = 4141400976. Its totient is φ = 4131395940.

The previous prime is 4136398433. The next prime is 4136398463. The reversal of 4136398457 is 7548936314.

4136398457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4136398457 - 2²⁶ = 4069289593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4136398157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500019 + ... + 2501672.

It is an arithmetic number, because the mean of its divisors is an integer number (1035350244).

Almost surely, 2^4136398457 is an apocalyptic number.

It is an amenable number.

4136398457 is a deficient number, since it is larger than the sum of its proper divisors (5002519).

4136398457 is an equidigital number, since it uses as much as digits as its factorization.

4136398457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002518.

The product of its digits is 2177280, while the sum is 50.

The square root of 4136398457 is about 64314.8385444603. The cubic root of 4136398457 is about 1605.2430162268.

The spelling of 4136398457 in words is "four billion, one hundred thirty-six million, three hundred ninety-eight thousand, four hundred fifty-seven".