154327910399 has 4 divisors (see below), whose sum is σ = 166199288136. Its totient is φ = 142456532664.

The previous prime is 154327910393. The next prime is 154327910417. The reversal of 154327910399 is 993019723451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993019723451 = 7 ⋅141859960493.

It is a cyclic number.

It is not a de Polignac number, because 154327910399 - 2⁴ = 154327910383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154327910399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154327910393) 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, 5935688849 + ... + 5935688874.

It is an arithmetic number, because the mean of its divisors is an integer number (41549822034).

Almost surely, 2^154327910399 is an apocalyptic number.

154327910399 is a deficient number, since it is larger than the sum of its proper divisors (11871377737).

154327910399 is a wasteful number, since it uses less digits than its factorization.

154327910399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871377736.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 154327910399 in words is "one hundred fifty-four billion, three hundred twenty-seven million, nine hundred ten thousand, three hundred ninety-nine".