245271123029 has 2 divisors, whose sum is σ = 245271123030. Its totient is φ = 245271123028.

The previous prime is 245271122983. The next prime is 245271123049. The reversal of 245271123029 is 920321172542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195284448100 + 49986674929 = 441910^2 + 223577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245271123029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245271122983 and 245271123001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245271123049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122635561514 + 122635561515.

It is an arithmetic number, because the mean of its divisors is an integer number (122635561515).

Almost surely, 2^245271123029 is an apocalyptic number.

It is an amenable number.

245271123029 is a deficient number, since it is larger than the sum of its proper divisors (1).

245271123029 is an equidigital number, since it uses as much as digits as its factorization.

245271123029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 245271123029 in words is "two hundred forty-five billion, two hundred seventy-one million, one hundred twenty-three thousand, twenty-nine".