245317027642 has 16 divisors (see below), whose sum is σ = 369932417280. Its totient is φ = 122007381328.

The previous prime is 245317027603. The next prime is 245317027651. The reversal of 245317027642 is 246720713542.

It is a super-2 number, since 2×245317027642² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134688 + ... + 713284.

It is an arithmetic number, because the mean of its divisors is an integer number (23120776080).

Almost surely, 2^245317027642 is an apocalyptic number.

245317027642 is a deficient number, since it is larger than the sum of its proper divisors (124615389638).

245317027642 is a wasteful number, since it uses less digits than its factorization.

245317027642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579725.

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 245317027642 in words is "two hundred forty-five billion, three hundred seventeen million, twenty-seven thousand, six hundred forty-two".