368919469 has 4 divisors (see below), whose sum is σ = 381640860. Its totient is φ = 356198080.

The previous prime is 368919461. The next prime is 368919511. The reversal of 368919469 is 964919863.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129846025 + 239073444 = 11395^2 + 15462^2 .

It is a cyclic number.

It is not a de Polignac number, because 368919469 - 2³ = 368919461 is a prime.

It is a super-2 number, since 2×368919469² = 272203149214483922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368919461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6360652 + ... + 6360709.

It is an arithmetic number, because the mean of its divisors is an integer number (95410215).

Almost surely, 2^368919469 is an apocalyptic number.

It is an amenable number.

368919469 is a deficient number, since it is larger than the sum of its proper divisors (12721391).

368919469 is a wasteful number, since it uses less digits than its factorization.

368919469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12721390.

The product of its digits is 2519424, while the sum is 55.

The square root of 368919469 is about 19207.2764597170. The cubic root of 368919469 is about 717.2059077923.

It can be divided in two parts, 36891 and 9469, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 368919469 in words is "three hundred sixty-eight million, nine hundred nineteen thousand, four hundred sixty-nine".