201453376021 has 8 divisors (see below), whose sum is σ = 209112401664. Its totient is φ = 193934883120.

The previous prime is 201453376009. The next prime is 201453376039. The reversal of 201453376021 is 120673354102.

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 201453376021 - 2²¹ = 201451278869 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 (201453976021) 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, 35130265 + ... + 35135998.

It is an arithmetic number, because the mean of its divisors is an integer number (26139050208).

Almost surely, 2^201453376021 is an apocalyptic number.

It is an amenable number.

201453376021 is a deficient number, since it is larger than the sum of its proper divisors (7659025643).

201453376021 is an equidigital number, since it uses as much as digits as its factorization.

201453376021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70266371.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 201453376021 in words is "two hundred one billion, four hundred fifty-three million, three hundred seventy-six thousand, twenty-one".