4978924097 has 4 divisors (see below), whose sum is σ = 5690198976. Its totient is φ = 4267649220.

The previous prime is 4978924091. The next prime is 4978924099. The reversal of 4978924097 is 7904298794.

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-4978924097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4978924091) 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, 355637429 + ... + 355637442.

It is an arithmetic number, because the mean of its divisors is an integer number (1422549744).

Almost surely, 2^4978924097 is an apocalyptic number.

It is an amenable number.

4978924097 is a deficient number, since it is larger than the sum of its proper divisors (711274879).

4978924097 is an equidigital number, since it uses as much as digits as its factorization.

4978924097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711274878.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The square root of 4978924097 is about 70561.4916012977. The cubic root of 4978924097 is about 1707.5699437788.

The spelling of 4978924097 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, ninety-seven".