40247089453 has 2 divisors, whose sum is σ = 40247089454. Its totient is φ = 40247089452.

The previous prime is 40247089451. The next prime is 40247089507. The reversal of 40247089453 is 35498074204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40026804489 + 220284964 = 200067^2 + 14842^2 .

It is a cyclic number.

It is not a de Polignac number, because 40247089453 - 2¹ = 40247089451 is a prime.

Together with 40247089451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40247089451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20123544726 + 20123544727.

It is an arithmetic number, because the mean of its divisors is an integer number (20123544727).

Almost surely, 2^40247089453 is an apocalyptic number.

It is an amenable number.

40247089453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40247089453 is an equidigital number, since it uses as much as digits as its factorization.

40247089453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 40247089453 in words is "forty billion, two hundred forty-seven million, eighty-nine thousand, four hundred fifty-three".