1798199030901 has 128 divisors (see below), whose sum is σ = 3031180185600. Its totient is φ = 923104512000.

The previous prime is 1798199030899. The next prime is 1798199030923. The reversal of 1798199030901 is 1090309918971.

It is not a de Polignac number, because 1798199030901 - 2¹ = 1798199030899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798199032901) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 666245050 + ... + 666247748.

It is an arithmetic number, because the mean of its divisors is an integer number (23681095200).

Almost surely, 2^{1798199030901} is an apocalyptic number.

It is an amenable number.

1798199030901 is a deficient number, since it is larger than the sum of its proper divisors (1232981154699).

1798199030901 is a wasteful number, since it uses less digits than its factorization.

1798199030901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 1102248, while the sum is 57.

The spelling of 1798199030901 in words is "one trillion, seven hundred ninety-eight billion, one hundred ninety-nine million, thirty thousand, nine hundred one".