245431412065 has 64 divisors (see below), whose sum is σ = 345047040000. Its totient is φ = 164133515520.

The previous prime is 245431412047. The next prime is 245431412077. The reversal of 245431412065 is 560214134542.

It is not a de Polignac number, because 245431412065 - 2⁵ = 245431412033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78687576 + ... + 78690694.

It is an arithmetic number, because the mean of its divisors is an integer number (5391360000).

Almost surely, 2^245431412065 is an apocalyptic number.

It is an amenable number.

245431412065 is a deficient number, since it is larger than the sum of its proper divisors (99615627935).

245431412065 is a wasteful number, since it uses less digits than its factorization.

245431412065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 245431412065 in words is "two hundred forty-five billion, four hundred thirty-one million, four hundred twelve thousand, sixty-five".