4745939402549 has 2 divisors, whose sum is σ = 4745939402550. Its totient is φ = 4745939402548.

The previous prime is 4745939402531. The next prime is 4745939402573. The reversal of 4745939402549 is 9452049395474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4698944967025 + 46994435524 = 2167705^2 + 216782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4745939402549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4745939402579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2372969701274 + 2372969701275.

It is an arithmetic number, because the mean of its divisors is an integer number (2372969701275).

Almost surely, 2^{4745939402549} is an apocalyptic number.

It is an amenable number.

4745939402549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4745939402549 is an equidigital number, since it uses as much as digits as its factorization.

4745939402549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195955200, while the sum is 65.

The spelling of 4745939402549 in words is "four trillion, seven hundred forty-five billion, nine hundred thirty-nine million, four hundred two thousand, five hundred forty-nine".