10242647641 has 4 divisors (see below), whose sum is σ = 10248268032. Its totient is φ = 10237027252.

The previous prime is 10242647629. The next prime is 10242647683. The reversal of 10242647641 is 14674624201.

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 a de Polignac number, because none of the positive numbers 2^k-10242647641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10242647641.

It is not an unprimeable number, because it can be changed into a prime (10242647621) 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, 2807461 + ... + 2811106.

It is an arithmetic number, because the mean of its divisors is an integer number (2562067008).

Almost surely, 2^10242647641 is an apocalyptic number.

It is an amenable number.

10242647641 is a deficient number, since it is larger than the sum of its proper divisors (5620391).

10242647641 is an equidigital number, since it uses as much as digits as its factorization.

10242647641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620390.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 10242647641 in words is "ten billion, two hundred forty-two million, six hundred forty-seven thousand, six hundred forty-one".