4926878549 has 2 divisors, whose sum is σ = 4926878550. Its totient is φ = 4926878548.

The previous prime is 4926878521. The next prime is 4926878563. The reversal of 4926878549 is 9458786294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3422835025 + 1504043524 = 58505^2 + 38782^2 .

It is a cyclic number.

It is not a de Polignac number, because 4926878549 - 2⁸ = 4926878293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4926878491 and 4926878500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4926878149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2463439274 + 2463439275.

It is an arithmetic number, because the mean of its divisors is an integer number (2463439275).

Almost surely, 2^4926878549 is an apocalyptic number.

It is an amenable number.

4926878549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4926878549 is an equidigital number, since it uses as much as digits as its factorization.

4926878549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The square root of 4926878549 is about 70191.7270695058. The cubic root of 4926878549 is about 1701.5992504198.

The spelling of 4926878549 in words is "four billion, nine hundred twenty-six million, eight hundred seventy-eight thousand, five hundred forty-nine".