154421491092369 has 16 divisors (see below), whose sum is σ = 207010895339520. Its totient is φ = 102390069557840.

The previous prime is 154421491092367. The next prime is 154421491092391. The reversal of 154421491092369 is 963290194124451.

It is a cyclic number.

It is not a de Polignac number, because 154421491092369 - 2¹ = 154421491092367 is a prime.

It is a super-2 number, since 2×154421491092369² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154421491092367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21313029 + ... + 27624050.

It is an arithmetic number, because the mean of its divisors is an integer number (12938180958720).

Almost surely, 2^{154421491092369} is an apocalyptic number.

It is an amenable number.

154421491092369 is a deficient number, since it is larger than the sum of its proper divisors (52589404247151).

154421491092369 is a wasteful number, since it uses less digits than its factorization.

154421491092369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48942780.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 154421491092369 in words is "one hundred fifty-four trillion, four hundred twenty-one billion, four hundred ninety-one million, ninety-two thousand, three hundred sixty-nine".