1342644478099 has 8 divisors (see below), whose sum is σ = 1421837366400. Its totient is φ = 1263475345536.

The previous prime is 1342644478057. The next prime is 1342644478111. The reversal of 1342644478099 is 9908744462431.

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 1342644478099 - 2⁷ = 1342644477971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342644478039) 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, 5822499 + ... + 6048700.

It is an arithmetic number, because the mean of its divisors is an integer number (177729670800).

Almost surely, 2^{1342644478099} is an apocalyptic number.

1342644478099 is a deficient number, since it is larger than the sum of its proper divisors (79192888301).

1342644478099 is a wasteful number, since it uses less digits than its factorization.

1342644478099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877869.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 1342644478099 in words is "one trillion, three hundred forty-two billion, six hundred forty-four million, four hundred seventy-eight thousand, ninety-nine".