7826429641 has 4 divisors (see below), whose sum is σ = 7827232384. Its totient is φ = 7825626900.

The previous prime is 7826429623. The next prime is 7826429647. The reversal of 7826429641 is 1469246287.

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 7826429641 - 2⁵ = 7826429609 is a prime.

It is a super-2 number, since 2×7826429641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7826429647) 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, 386565 + ... + 406306.

It is an arithmetic number, because the mean of its divisors is an integer number (1956808096).

Almost surely, 2^7826429641 is an apocalyptic number.

It is an amenable number.

7826429641 is a deficient number, since it is larger than the sum of its proper divisors (802743).

7826429641 is an equidigital number, since it uses as much as digits as its factorization.

7826429641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802742.

The product of its digits is 1161216, while the sum is 49.

The square root of 7826429641 is about 88467.1105044129. The cubic root of 7826429641 is about 1985.4299175185.

The spelling of 7826429641 in words is "seven billion, eight hundred twenty-six million, four hundred twenty-nine thousand, six hundred forty-one".