43472406511453 has 2 divisors, whose sum is σ = 43472406511454. Its totient is φ = 43472406511452.

The previous prime is 43472406511451. The next prime is 43472406511507. The reversal of 43472406511453 is 35411560427434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29146469170009 + 14325937341444 = 5398747^2 + 3784962^2 .

It is a cyclic number.

It is not a de Polignac number, because 43472406511453 - 2¹ = 43472406511451 is a prime.

Together with 43472406511451, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 43472406511397 and 43472406511406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43472406511451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21736203255726 + 21736203255727.

It is an arithmetic number, because the mean of its divisors is an integer number (21736203255727).

Almost surely, 2^{43472406511453} is an apocalyptic number.

It is an amenable number.

43472406511453 is a deficient number, since it is larger than the sum of its proper divisors (1).

43472406511453 is an equidigital number, since it uses as much as digits as its factorization.

43472406511453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4838400, while the sum is 49.

Adding to 43472406511453 its reverse (35411560427434), we get a palindrome (78883966938887).

The spelling of 43472406511453 in words is "forty-three trillion, four hundred seventy-two billion, four hundred six million, five hundred eleven thousand, four hundred fifty-three".