2193988370049 has 24 divisors (see below), whose sum is σ = 3746712490560. Its totient is φ = 1210476341088.

The previous prime is 2193988369949. The next prime is 2193988370053. The reversal of 2193988370049 is 9400738893912.

2193988370049 is a `hidden beast` number, since 219 + 3 + 9 + 8 + 8 + 370 + 0 + 49 = 666.

It is not a de Polignac number, because 2193988370049 - 2¹¹ = 2193988368001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2193988380049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600432867 + ... + 600436520.

It is an arithmetic number, because the mean of its divisors is an integer number (156113020440).

Almost surely, 2^{2193988370049} is an apocalyptic number.

2193988370049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2193988370049 is a deficient number, since it is larger than the sum of its proper divisors (1552724120511).

2193988370049 is a wasteful number, since it uses less digits than its factorization.

2193988370049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200869429 (or 1200869426 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 2193988370049 in words is "two trillion, one hundred ninety-three billion, nine hundred eighty-eight million, three hundred seventy thousand, forty-nine".