2188705542429 has 16 divisors (see below), whose sum is σ = 3335191185920. Its totient is φ = 1250681068080.

The previous prime is 2188705542409. The next prime is 2188705542449. The reversal of 2188705542429 is 9242455078812.

It is an interprime number because it is at equal distance from previous prime (2188705542409) and next prime (2188705542449).

It is not a de Polignac number, because 2188705542429 - 2²¹ = 2188703445277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188705542409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5771394 + ... + 6138924.

It is an arithmetic number, because the mean of its divisors is an integer number (208449449120).

Almost surely, 2^{2188705542429} is an apocalyptic number.

It is an amenable number.

2188705542429 is a deficient number, since it is larger than the sum of its proper divisors (1146485643491).

2188705542429 is a wasteful number, since it uses less digits than its factorization.

2188705542429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651120.

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 2188705542429 in words is "two trillion, one hundred eighty-eight billion, seven hundred five million, five hundred forty-two thousand, four hundred twenty-nine".