451454440372051 has 4 divisors (see below), whose sum is σ = 451488831673392. Its totient is φ = 451420049070712.

The previous prime is 451454440372031. The next prime is 451454440372213. The reversal of 451454440372051 is 150273044454154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 451454440372051 - 2¹³ = 451454440363859 is a prime.

It is a super-2 number, since 2×451454440372051² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 451454440371986 and 451454440372004.

It is not an unprimeable number, because it can be changed into a prime (451454440372031) 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, 17195630980 + ... + 17195657233.

It is an arithmetic number, because the mean of its divisors is an integer number (112872207918348).

Almost surely, 2^{451454440372051} is an apocalyptic number.

451454440372051 is a deficient number, since it is larger than the sum of its proper divisors (34391301341).

451454440372051 is a wasteful number, since it uses less digits than its factorization.

451454440372051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34391301340.

The product of its (nonzero) digits is 5376000, while the sum is 49.

The spelling of 451454440372051 in words is "four hundred fifty-one trillion, four hundred fifty-four billion, four hundred forty million, three hundred seventy-two thousand, fifty-one".