1401309599879 has 8 divisors (see below), whose sum is σ = 1621768796160. Its totient is φ = 1185918431256.

The previous prime is 1401309599857. The next prime is 1401309599887. The reversal of 1401309599879 is 9789959031041.

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 1401309599879 - 2⁸ = 1401309599623 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 (1401309599819) 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, 1267006319 + ... + 1267007424.

It is an arithmetic number, because the mean of its divisors is an integer number (202721099520).

Almost surely, 2^{1401309599879} is an apocalyptic number.

1401309599879 is a deficient number, since it is larger than the sum of its proper divisors (220459196281).

1401309599879 is an equidigital number, since it uses as much as digits as its factorization.

1401309599879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534013829.

The product of its (nonzero) digits is 22044960, while the sum is 65.

The spelling of 1401309599879 in words is "one trillion, four hundred one billion, three hundred nine million, five hundred ninety-nine thousand, eight hundred seventy-nine".