3654394469 has 8 divisors (see below), whose sum is σ = 4196434080. Its totient is φ = 3147325200.

The previous prime is 3654394463. The next prime is 3654394481. The reversal of 3654394469 is 9644934563.

3654394469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3654394469 - 2⁴ = 3654394453 is a prime.

It is a super-2 number, since 2×3654394469² = 26709197870115583922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3654394469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654394463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8742362 + ... + 8742779.

It is an arithmetic number, because the mean of its divisors is an integer number (524554260).

Almost surely, 2^3654394469 is an apocalyptic number.

It is an amenable number.

3654394469 is a deficient number, since it is larger than the sum of its proper divisors (542039611).

3654394469 is a wasteful number, since it uses less digits than its factorization.

3654394469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17485171.

The product of its digits is 8398080, while the sum is 53.

The square root of 3654394469 is about 60451.5878120666. The cubic root of 3654394469 is about 1540.2993836622.

The spelling of 3654394469 in words is "three billion, six hundred fifty-four million, three hundred ninety-four thousand, four hundred sixty-nine".