364109989261 has 2 divisors, whose sum is σ = 364109989262. Its totient is φ = 364109989260.

The previous prime is 364109989211. The next prime is 364109989297. The reversal of 364109989261 is 162989901463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363211128900 + 898860361 = 602670^2 + 29981^2 .

It is a cyclic number.

It is not a de Polignac number, because 364109989261 - 2³¹ = 361962505613 is a prime.

It is a super-2 number, since 2×364109989261² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 364109989196 and 364109989205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364109989211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182054994630 + 182054994631.

It is an arithmetic number, because the mean of its divisors is an integer number (182054994631).

Almost surely, 2^364109989261 is an apocalyptic number.

It is an amenable number.

364109989261 is a deficient number, since it is larger than the sum of its proper divisors (1).

364109989261 is an equidigital number, since it uses as much as digits as its factorization.

364109989261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 364109989261 in words is "three hundred sixty-four billion, one hundred nine million, nine hundred eighty-nine thousand, two hundred sixty-one".