9735405421 has 8 divisors (see below), whose sum is σ = 11711766080. Its totient is φ = 7905441888.

The previous prime is 9735405401. The next prime is 9735405443. The reversal of 9735405421 is 1245045379.

It is a happy number.

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 9735405421 - 2¹⁹ = 9734881133 is a prime.

It is a super-2 number, since 2×9735405421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9735405401) 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, 36599136 + ... + 36599401.

It is an arithmetic number, because the mean of its divisors is an integer number (1463970760).

Almost surely, 2^9735405421 is an apocalyptic number.

It is an amenable number.

9735405421 is a deficient number, since it is larger than the sum of its proper divisors (1976360659).

9735405421 is a wasteful number, since it uses less digits than its factorization.

9735405421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73198563.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 9735405421 is about 98668.1580906424. The cubic root of 9735405421 is about 2135.2628657286.

The spelling of 9735405421 in words is "nine billion, seven hundred thirty-five million, four hundred five thousand, four hundred twenty-one".