1712372449 has 2 divisors, whose sum is σ = 1712372450. Its totient is φ = 1712372448.

The previous prime is 1712372437. The next prime is 1712372489. The reversal of 1712372449 is 9442732171.

It is a happy number.

It is an a-pointer prime, because the next prime (1712372489) can be obtained adding 1712372449 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936360000 + 776012449 = 30600^2 + 27857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712372449 - 2²¹ = 1710275297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1712372489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 856186224 + 856186225.

It is an arithmetic number, because the mean of its divisors is an integer number (856186225).

Almost surely, 2^1712372449 is an apocalyptic number.

It is an amenable number.

1712372449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1712372449 is an equidigital number, since it uses as much as digits as its factorization.

1712372449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 1712372449 is about 41380.8222368768. The cubic root of 1712372449 is about 1196.3715510324.

The spelling of 1712372449 in words is "one billion, seven hundred twelve million, three hundred seventy-two thousand, four hundred forty-nine".