2429958978 has 12 divisors (see below), whose sum is σ = 5264911158. Its totient is φ = 809986320.

The previous prime is 2429958977. The next prime is 2429958989. The reversal of 2429958978 is 8798599242.

It is a happy number.

2429958978 is a `hidden beast` number, since 2 + 42 + 9 + 9 + 589 + 7 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2220954129 + 209004849 = 47127^2 + 14457^2 .

It is not an unprimeable number, because it can be changed into a prime (2429958977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67498843 + ... + 67498878.

Almost surely, 2^2429958978 is an apocalyptic number.

2429958978 is an abundant number, since it is smaller than the sum of its proper divisors (2834952180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2429958978 is a wasteful number, since it uses less digits than its factorization.

2429958978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134997729 (or 134997726 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 2429958978 is about 49294.6140871394. The cubic root of 2429958978 is about 1344.4138586495.

The spelling of 2429958978 in words is "two billion, four hundred twenty-nine million, nine hundred fifty-eight thousand, nine hundred seventy-eight".