1415461643 has 4 divisors (see below), whose sum is σ = 1461121728. Its totient is φ = 1369801560.

The previous prime is 1415461637. The next prime is 1415461651. The reversal of 1415461643 is 3461645141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3461645141 = 61 ⋅56748281.

It is a cyclic number.

It is not a de Polignac number, because 1415461643 - 2⁴ = 1415461627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1415461613) 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, 22829996 + ... + 22830057.

It is an arithmetic number, because the mean of its divisors is an integer number (365280432).

Almost surely, 2^1415461643 is an apocalyptic number.

1415461643 is a deficient number, since it is larger than the sum of its proper divisors (45660085).

1415461643 is an equidigital number, since it uses as much as digits as its factorization.

1415461643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45660084.

The product of its digits is 34560, while the sum is 35.

The square root of 1415461643 is about 37622.6214264769. The cubic root of 1415461643 is about 1122.7921519700.

The spelling of 1415461643 in words is "one billion, four hundred fifteen million, four hundred sixty-one thousand, six hundred forty-three".