4179689690349 has 4 divisors (see below), whose sum is σ = 5572919587136. Its totient is φ = 2786459793564.

The previous prime is 4179689690333. The next prime is 4179689690369. The reversal of 4179689690349 is 9430969869714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4179689690349 - 2⁴ = 4179689690333 is a prime.

It is a super-3 number, since 3×4179689690349³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4179689690369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696614948389 + ... + 696614948394.

It is an arithmetic number, because the mean of its divisors is an integer number (1393229896784).

Almost surely, 2^{4179689690349} is an apocalyptic number.

It is an amenable number.

4179689690349 is a deficient number, since it is larger than the sum of its proper divisors (1393229896787).

4179689690349 is a wasteful number, since it uses less digits than its factorization.

4179689690349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393229896786.

The product of its (nonzero) digits is 634894848, while the sum is 75.

The spelling of 4179689690349 in words is "four trillion, one hundred seventy-nine billion, six hundred eighty-nine million, six hundred ninety thousand, three hundred forty-nine".