245520410532049 has 2 divisors, whose sum is σ = 245520410532050. Its totient is φ = 245520410532048.

The previous prime is 245520410531993. The next prime is 245520410532077. The reversal of 245520410532049 is 940235014025542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127308458441025 + 118211952091024 = 11283105^2 + 10872532^2 .

It is a cyclic number.

It is not a de Polignac number, because 245520410532049 - 2¹⁷ = 245520410400977 is a prime.

It is a super-2 number, since 2×245520410532049² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245520410532149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122760205266024 + 122760205266025.

It is an arithmetic number, because the mean of its divisors is an integer number (122760205266025).

Almost surely, 2^{245520410532049} is an apocalyptic number.

It is an amenable number.

245520410532049 is a deficient number, since it is larger than the sum of its proper divisors (1).

245520410532049 is an equidigital number, since it uses as much as digits as its factorization.

245520410532049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 245520410532049 in words is "two hundred forty-five trillion, five hundred twenty billion, four hundred ten million, five hundred thirty-two thousand, forty-nine".