420672025153 has 4 divisors (see below), whose sum is σ = 422308881540. Its totient is φ = 419035168768.

The previous prime is 420672025139. The next prime is 420672025159. The reversal of 420672025153 is 351520276024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 345218527809 + 75453497344 = 587553^2 + 274688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420672025153 is a prime.

It is a super-3 number, since 3×420672025153³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (420672025159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818427808 + ... + 818428321.

It is an arithmetic number, because the mean of its divisors is an integer number (105577220385).

Almost surely, 2^420672025153 is an apocalyptic number.

It is an amenable number.

420672025153 is a deficient number, since it is larger than the sum of its proper divisors (1636856387).

420672025153 is a wasteful number, since it uses less digits than its factorization.

420672025153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636856386.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 420672025153 in words is "four hundred twenty billion, six hundred seventy-two million, twenty-five thousand, one hundred fifty-three".