1672319259769 has 2 divisors, whose sum is σ = 1672319259770. Its totient is φ = 1672319259768.

The previous prime is 1672319259727. The next prime is 1672319259791. The reversal of 1672319259769 is 9679529132761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898728648169 + 773590611600 = 948013^2 + 879540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672319259769 is a prime.

It is a super-2 number, since 2×1672319259769² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1672319253769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836159629884 + 836159629885.

It is an arithmetic number, because the mean of its divisors is an integer number (836159629885).

Almost surely, 2^{1672319259769} is an apocalyptic number.

It is an amenable number.

1672319259769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672319259769 is an equidigital number, since it uses as much as digits as its factorization.

1672319259769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77157360, while the sum is 67.

The spelling of 1672319259769 in words is "one trillion, six hundred seventy-two billion, three hundred nineteen million, two hundred fifty-nine thousand, seven hundred sixty-nine".