12470770647749 has 2 divisors, whose sum is σ = 12470770647750. Its totient is φ = 12470770647748.

The previous prime is 12470770647737. The next prime is 12470770647799. The reversal of 12470770647749 is 94774607707421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9352544425249 + 3118226222500 = 3058193^2 + 1765850^2 .

It is a cyclic number.

It is not a de Polignac number, because 12470770647749 - 2³² = 12466475680453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12470770647799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235385323874 + 6235385323875.

It is an arithmetic number, because the mean of its divisors is an integer number (6235385323875).

Almost surely, 2^{12470770647749} is an apocalyptic number.

It is an amenable number.

12470770647749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12470770647749 is an equidigital number, since it uses as much as digits as its factorization.

12470770647749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116169984, while the sum is 65.

The spelling of 12470770647749 in words is "twelve trillion, four hundred seventy billion, seven hundred seventy million, six hundred forty-seven thousand, seven hundred forty-nine".