1465445413 has 4 divisors (see below), whose sum is σ = 1466125708. Its totient is φ = 1464765120.

The previous prime is 1465445393. The next prime is 1465445417. The reversal of 1465445413 is 3145445641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3145445641 = 13 ⋅241957357.

It can be written as a sum of positive squares in 2 ways, for example, as 996159844 + 469285569 = 31562^2 + 21663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465445413 - 2⁵ = 1465445381 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 (1465445417) 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, 336906 + ... + 341227.

It is an arithmetic number, because the mean of its divisors is an integer number (366531427).

Almost surely, 2^1465445413 is an apocalyptic number.

It is an amenable number.

1465445413 is a deficient number, since it is larger than the sum of its proper divisors (680295).

1465445413 is an equidigital number, since it uses as much as digits as its factorization.

1465445413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680294.

The product of its digits is 115200, while the sum is 37.

The square root of 1465445413 is about 38281.1365165665. The cubic root of 1465445413 is about 1135.8558399710.

The spelling of 1465445413 in words is "one billion, four hundred sixty-five million, four hundred forty-five thousand, four hundred thirteen".