75947010049 has 2 divisors, whose sum is σ = 75947010050. Its totient is φ = 75947010048.

The previous prime is 75947009989. The next prime is 75947010071. The reversal of 75947010049 is 94001074957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71039307024 + 4907703025 = 266532^2 + 70055^2 .

It is a cyclic number.

It is not a de Polignac number, because 75947010049 - 2⁷ = 75947009921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75947009990 and 75947010008.

It is not a weakly prime, because it can be changed into another prime (75947010079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37973505024 + 37973505025.

It is an arithmetic number, because the mean of its divisors is an integer number (37973505025).

Almost surely, 2^75947010049 is an apocalyptic number.

It is an amenable number.

75947010049 is a deficient number, since it is larger than the sum of its proper divisors (1).

75947010049 is an equidigital number, since it uses as much as digits as its factorization.

75947010049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 75947010049 in words is "seventy-five billion, nine hundred forty-seven million, ten thousand, forty-nine".