450906401901 has 8 divisors (see below), whose sum is σ = 601507503904. Its totient is φ = 300454783920.

The previous prime is 450906401863. The next prime is 450906401909. The reversal of 450906401901 is 109104609054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450906401901 - 2⁶ = 450906401837 is a prime.

It is a super-2 number, since 2×450906401901² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 450906401901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450906401909) 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, 37363966 + ... + 37376031.

It is an arithmetic number, because the mean of its divisors is an integer number (75188437988).

Almost surely, 2^450906401901 is an apocalyptic number.

It is an amenable number.

450906401901 is a deficient number, since it is larger than the sum of its proper divisors (150601102003).

450906401901 is a wasteful number, since it uses less digits than its factorization.

450906401901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74742011.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 450906401901 in words is "four hundred fifty billion, nine hundred six million, four hundred one thousand, nine hundred one".