1685754465 has 8 divisors (see below), whose sum is σ = 2697207168. Its totient is φ = 899069040.

The previous prime is 1685754463. The next prime is 1685754467. The reversal of 1685754465 is 5644575861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1685754463) and next prime (1685754467).

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

It is not a de Polignac number, because 1685754465 - 2¹ = 1685754463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1685754463) 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, 56191801 + ... + 56191830.

It is an arithmetic number, because the mean of its divisors is an integer number (337150896).

Almost surely, 2^1685754465 is an apocalyptic number.

1685754465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1685754465 is a deficient number, since it is larger than the sum of its proper divisors (1011452703).

1685754465 is a wasteful number, since it uses less digits than its factorization.

1685754465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112383639.

The product of its digits is 4032000, while the sum is 51.

The square root of 1685754465 is about 41057.9403404506. The cubic root of 1685754465 is about 1190.1401489716.

The spelling of 1685754465 in words is "one billion, six hundred eighty-five million, seven hundred fifty-four thousand, four hundred sixty-five".