2429878641 has 8 divisors (see below), whose sum is σ = 3240206304. Its totient is φ = 1619735040.

The previous prime is 2429878637. The next prime is 2429878679. The reversal of 2429878641 is 1468789242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2429878641 - 2² = 2429878637 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2429878601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11515 + ... + 70656.

It is an arithmetic number, because the mean of its divisors is an integer number (405025788).

Almost surely, 2^2429878641 is an apocalyptic number.

It is an amenable number.

2429878641 is a deficient number, since it is larger than the sum of its proper divisors (810327663).

2429878641 is an equidigital number, since it uses as much as digits as its factorization.

2429878641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92031.

The product of its digits is 1548288, while the sum is 51.

The square root of 2429878641 is about 49293.7992145057. The cubic root of 2429878641 is about 1344.3990425740.

The spelling of 2429878641 in words is "two billion, four hundred twenty-nine million, eight hundred seventy-eight thousand, six hundred forty-one".