2149719697238 has 16 divisors (see below), whose sum is σ = 3368799398160. Its totient is φ = 1027520508000.

The previous prime is 2149719697231. The next prime is 2149719697241. The reversal of 2149719697238 is 8327969179412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149719697231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183479948 + ... + 183491663.

It is an arithmetic number, because the mean of its divisors is an integer number (210549962385).

Almost surely, 2^{2149719697238} is an apocalyptic number.

2149719697238 is a deficient number, since it is larger than the sum of its proper divisors (1219079700922).

2149719697238 is a wasteful number, since it uses less digits than its factorization.

2149719697238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366971743.

The product of its digits is 82301184, while the sum is 68.

The spelling of 2149719697238 in words is "two trillion, one hundred forty-nine billion, seven hundred nineteen million, six hundred ninety-seven thousand, two hundred thirty-eight".