245573046275839 has 2 divisors, whose sum is σ = 245573046275840. Its totient is φ = 245573046275838.

The previous prime is 245573046275759. The next prime is 245573046275897. The reversal of 245573046275839 is 938572640375542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245573046275839 - 2⁹ = 245573046275327 is a prime.

It is a super-2 number, since 2×245573046275839² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245573046275539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122786523137919 + 122786523137920.

It is an arithmetic number, because the mean of its divisors is an integer number (122786523137920).

Almost surely, 2^{245573046275839} is an apocalyptic number.

245573046275839 is a deficient number, since it is larger than the sum of its proper divisors (1).

245573046275839 is an equidigital number, since it uses as much as digits as its factorization.

245573046275839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096000, while the sum is 70.

The spelling of 245573046275839 in words is "two hundred forty-five trillion, five hundred seventy-three billion, forty-six million, two hundred seventy-five thousand, eight hundred thirty-nine".