451434616653251 has 16 divisors (see below), whose sum is σ = 578039130067200. Its totient is φ = 342260011219680.

The previous prime is 451434616653211. The next prime is 451434616653277. The reversal of 451434616653251 is 152356616434154.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451434616653251 is a prime.

It is a super-2 number, since 2×451434616653251² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451434616653211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79226851601 + ... + 79226857298.

It is an arithmetic number, because the mean of its divisors is an integer number (36127445629200).

Almost surely, 2^{451434616653251} is an apocalyptic number.

451434616653251 is a deficient number, since it is larger than the sum of its proper divisors (126604513413949).

451434616653251 is a wasteful number, since it uses less digits than its factorization.

451434616653251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158453708954.

The product of its digits is 31104000, while the sum is 56.

The spelling of 451434616653251 in words is "four hundred fifty-one trillion, four hundred thirty-four billion, six hundred sixteen million, six hundred fifty-three thousand, two hundred fifty-one".