2405465693 has 4 divisors (see below), whose sum is σ = 2415970140. Its totient is φ = 2394961248.

The previous prime is 2405465627. The next prime is 2405465723. The reversal of 2405465693 is 3965645042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3965645042 = 2 ⋅1982822521.

It can be written as a sum of positive squares in 2 ways, for example, as 1944633604 + 460832089 = 44098^2 + 21467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405465693 - 2¹⁰ = 2405464669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405465093) 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, 5251880 + ... + 5252337.

It is an arithmetic number, because the mean of its divisors is an integer number (603992535).

Almost surely, 2^2405465693 is an apocalyptic number.

It is an amenable number.

2405465693 is a deficient number, since it is larger than the sum of its proper divisors (10504447).

2405465693 is a wasteful number, since it uses less digits than its factorization.

2405465693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504446.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 2405465693 is about 49045.5471271348. The cubic root of 2405465693 is about 1339.8814948665.

The spelling of 2405465693 in words is "two billion, four hundred five million, four hundred sixty-five thousand, six hundred ninety-three".