83145301769 has 2 divisors, whose sum is σ = 83145301770. Its totient is φ = 83145301768.

The previous prime is 83145301741. The next prime is 83145301867. The reversal of 83145301769 is 96710354138.

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., 59709366025 + 23435935744 = 244355^2 + 153088^2 .

It is a cyclic number.

It is not a de Polignac number, because 83145301769 - 2¹² = 83145297673 is a prime.

It is a super-2 number, since 2×83145301769² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83145301739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41572650884 + 41572650885.

It is an arithmetic number, because the mean of its divisors is an integer number (41572650885).

Almost surely, 2^83145301769 is an apocalyptic number.

It is an amenable number.

83145301769 is a deficient number, since it is larger than the sum of its proper divisors (1).

83145301769 is an equidigital number, since it uses as much as digits as its factorization.

83145301769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 83145301769 in words is "eighty-three billion, one hundred forty-five million, three hundred one thousand, seven hundred sixty-nine".