3980012856269 has 2 divisors, whose sum is σ = 3980012856270. Its totient is φ = 3980012856268.

The previous prime is 3980012856263. The next prime is 3980012856367. The reversal of 3980012856269 is 9626582100893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3231502379044 + 748510477225 = 1797638^2 + 865165^2 .

It is an emirp because it is prime and its reverse (9626582100893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3980012856269 - 2²⁴ = 3979996079053 is a prime.

It is a super-2 number, since 2×3980012856269² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3980012856263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1990006428134 + 1990006428135.

It is an arithmetic number, because the mean of its divisors is an integer number (1990006428135).

Almost surely, 2^{3980012856269} is an apocalyptic number.

It is an amenable number.

3980012856269 is a deficient number, since it is larger than the sum of its proper divisors (1).

3980012856269 is an equidigital number, since it uses as much as digits as its factorization.

3980012856269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 3980012856269 in words is "three trillion, nine hundred eighty billion, twelve million, eight hundred fifty-six thousand, two hundred sixty-nine".