20154362366149 has 8 divisors (see below), whose sum is σ = 21986610379200. Its totient is φ = 18322119895200.

The previous prime is 20154362366147. The next prime is 20154362366197. The reversal of 20154362366149 is 94166326345102.

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

It is not a de Polignac number, because 20154362366149 - 2¹ = 20154362366147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20154362366096 and 20154362366105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154362366143) 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, 11147169 + ... + 12828409.

It is an arithmetic number, because the mean of its divisors is an integer number (2748326297400).

Almost surely, 2^{20154362366149} is an apocalyptic number.

It is an amenable number.

20154362366149 is a deficient number, since it is larger than the sum of its proper divisors (1832248013051).

20154362366149 is a wasteful number, since it uses less digits than its factorization.

20154362366149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771051.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 20154362366149 in words is "twenty trillion, one hundred fifty-four billion, three hundred sixty-two million, three hundred sixty-six thousand, one hundred forty-nine".