10289640457 has 4 divisors (see below), whose sum is σ = 10370661376. Its totient is φ = 10208619540.

The previous prime is 10289640421. The next prime is 10289640461. The reversal of 10289640457 is 75404698201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75404698201 = 7 ⋅10772099743.

It is a cyclic number.

It is not a de Polignac number, because 10289640457 - 2⁷ = 10289640329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10289641457) 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, 40510269 + ... + 40510522.

It is an arithmetic number, because the mean of its divisors is an integer number (2592665344).

Almost surely, 2^10289640457 is an apocalyptic number.

It is an amenable number.

10289640457 is a deficient number, since it is larger than the sum of its proper divisors (81020919).

10289640457 is an equidigital number, since it uses as much as digits as its factorization.

10289640457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81020918.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 10289640457 in words is "ten billion, two hundred eighty-nine million, six hundred forty thousand, four hundred fifty-seven".