2098569329857 has 32 divisors (see below), whose sum is σ = 2845557275904. Its totient is φ = 1494515232000.

The previous prime is 2098569329837. The next prime is 2098569329873. The reversal of 2098569329857 is 7589239658902.

It is not a de Polignac number, because 2098569329857 - 2⁷ = 2098569329729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2098569329857.

It is not an unprimeable number, because it can be changed into a prime (2098569329827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10277478 + ... + 10479679.

It is an arithmetic number, because the mean of its divisors is an integer number (88923664872).

Almost surely, 2^{2098569329857} is an apocalyptic number.

It is an amenable number.

2098569329857 is a deficient number, since it is larger than the sum of its proper divisors (746987946047).

2098569329857 is a wasteful number, since it uses less digits than its factorization.

2098569329857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757289.

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 2098569329857 in words is "two trillion, ninety-eight billion, five hundred sixty-nine million, three hundred twenty-nine thousand, eight hundred fifty-seven".