9420154421 has 8 divisors (see below), whose sum is σ = 9578505984. Its totient is φ = 9261929520.

The previous prime is 9420154409. The next prime is 9420154423. The reversal of 9420154421 is 1244510249.

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 9420154421 - 2¹⁰ = 9420153397 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 (9420154423) 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, 124760 + ... + 185486.

It is an arithmetic number, because the mean of its divisors is an integer number (1197313248).

Almost surely, 2^9420154421 is an apocalyptic number.

It is an amenable number.

9420154421 is a deficient number, since it is larger than the sum of its proper divisors (158351563).

9420154421 is a wasteful number, since it uses less digits than its factorization.

9420154421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63331.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 9420154421 is about 97057.4799848008. The cubic root of 9420154421 is about 2111.9615505518.

The spelling of 9420154421 in words is "nine billion, four hundred twenty million, one hundred fifty-four thousand, four hundred twenty-one".