245414342321 has 2 divisors, whose sum is σ = 245414342322. Its totient is φ = 245414342320.

The previous prime is 245414342291. The next prime is 245414342353. The reversal of 245414342321 is 123243414542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227303911696 + 18110430625 = 476764^2 + 134575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245414342321 is a prime.

It is not a weakly prime, because it can be changed into another prime (245414372321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122707171160 + 122707171161.

It is an arithmetic number, because the mean of its divisors is an integer number (122707171161).

Almost surely, 2^245414342321 is an apocalyptic number.

It is an amenable number.

245414342321 is a deficient number, since it is larger than the sum of its proper divisors (1).

245414342321 is an equidigital number, since it uses as much as digits as its factorization.

245414342321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 35.

Adding to 245414342321 its reverse (123243414542), we get a palindrome (368657756863).

The spelling of 245414342321 in words is "two hundred forty-five billion, four hundred fourteen million, three hundred forty-two thousand, three hundred twenty-one".