409240247753 has 2 divisors, whose sum is σ = 409240247754. Its totient is φ = 409240247752.

The previous prime is 409240247747. The next prime is 409240247789. The reversal of 409240247753 is 357742042904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383937619129 + 25302628624 = 619627^2 + 159068^2 .

It is a cyclic number.

It is not a de Polignac number, because 409240247753 - 2¹⁰ = 409240246729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 409240247698 and 409240247707.

It is not a weakly prime, because it can be changed into another prime (409240247723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204620123876 + 204620123877.

It is an arithmetic number, because the mean of its divisors is an integer number (204620123877).

Almost surely, 2^409240247753 is an apocalyptic number.

It is an amenable number.

409240247753 is a deficient number, since it is larger than the sum of its proper divisors (1).

409240247753 is an equidigital number, since it uses as much as digits as its factorization.

409240247753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 409240247753 in words is "four hundred nine billion, two hundred forty million, two hundred forty-seven thousand, seven hundred fifty-three".