451206501401 has 2 divisors, whose sum is σ = 451206501402. Its totient is φ = 451206501400.

The previous prime is 451206501377. The next prime is 451206501409. The reversal of 451206501401 is 104105602154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427063557001 + 24142944400 = 653501^2 + 155380^2 .

It is a cyclic number.

It is not a de Polignac number, because 451206501401 - 2¹⁴ = 451206485017 is a prime.

It is a super-2 number, since 2×451206501401² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (451206501409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225603250700 + 225603250701.

It is an arithmetic number, because the mean of its divisors is an integer number (225603250701).

Almost surely, 2^451206501401 is an apocalyptic number.

It is an amenable number.

451206501401 is a deficient number, since it is larger than the sum of its proper divisors (1).

451206501401 is an equidigital number, since it uses as much as digits as its factorization.

451206501401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 451206501401 in words is "four hundred fifty-one billion, two hundred six million, five hundred one thousand, four hundred one".