1722640463041 has 4 divisors (see below), whose sum is σ = 1723266197892. Its totient is φ = 1722014728192.

The previous prime is 1722640463023. The next prime is 1722640463059. The reversal of 1722640463041 is 1403640462271.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1722640463023) and next prime (1722640463059).

It can be written as a sum of positive squares in 2 ways, for example, as 1574322278400 + 148318184641 = 1254720^2 + 385121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1722640463041 is a prime.

It is a super-2 number, since 2×1722640463041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1722640462985 and 1722640463003.

It is not an unprimeable number, because it can be changed into a prime (1722640463081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312863296 + ... + 312868801.

It is an arithmetic number, because the mean of its divisors is an integer number (430816549473).

Almost surely, 2^{1722640463041} is an apocalyptic number.

It is an amenable number.

1722640463041 is a deficient number, since it is larger than the sum of its proper divisors (625734851).

1722640463041 is an equidigital number, since it uses as much as digits as its factorization.

1722640463041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625734850.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 1722640463041 in words is "one trillion, seven hundred twenty-two billion, six hundred forty million, four hundred sixty-three thousand, forty-one".