12345495679 has 8 divisors (see below), whose sum is σ = 13476816000. Its totient is φ = 11215675800.

The previous prime is 12345495677. The next prime is 12345495683. The reversal of 12345495679 is 97659454321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12345495679 - 2¹ = 12345495677 is a prime.

It is a super-2 number, since 2×12345495679² (a number of 21 digits) contains 22 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 (12345495677) 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, 357867 + ... + 390844.

It is an arithmetic number, because the mean of its divisors is an integer number (1684602000).

Almost surely, 2^12345495679 is an apocalyptic number.

12345495679 is a deficient number, since it is larger than the sum of its proper divisors (1131320321).

12345495679 is a wasteful number, since it uses less digits than its factorization.

12345495679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750221.

The product of its digits is 8164800, while the sum is 55.

The spelling of 12345495679 in words is "twelve billion, three hundred forty-five million, four hundred ninety-five thousand, six hundred seventy-nine".