4921078429 has 4 divisors (see below), whose sum is σ = 4925682940. Its totient is φ = 4916473920.

The previous prime is 4921078391. The next prime is 4921078441. The reversal of 4921078429 is 9248701294.

4921078429 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 875864025 + 4045214404 = 29595^2 + 63602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4921078429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4921078529) 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, 2300652 + ... + 2302789.

It is an arithmetic number, because the mean of its divisors is an integer number (1231420735).

Almost surely, 2^4921078429 is an apocalyptic number.

It is an amenable number.

4921078429 is a deficient number, since it is larger than the sum of its proper divisors (4604511).

4921078429 is a wasteful number, since it uses less digits than its factorization.

4921078429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4604510.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 4921078429 is about 70150.3986374988. The cubic root of 4921078429 is about 1700.9312578158.

The spelling of 4921078429 in words is "four billion, nine hundred twenty-one million, seventy-eight thousand, four hundred twenty-nine".