416201813 has 4 divisors (see below), whose sum is σ = 434297568. Its totient is φ = 398106060.

The previous prime is 416201777. The next prime is 416201827. The reversal of 416201813 is 318102614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 318102614 = 2 ⋅159051307.

It is a cyclic number.

It is not a de Polignac number, because 416201813 - 2⁶ = 416201749 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 (416201833) 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, 9047843 + ... + 9047888.

It is an arithmetic number, because the mean of its divisors is an integer number (108574392).

Almost surely, 2^416201813 is an apocalyptic number.

It is an amenable number.

416201813 is a deficient number, since it is larger than the sum of its proper divisors (18095755).

416201813 is a wasteful number, since it uses less digits than its factorization.

416201813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18095754.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 416201813 is about 20401.0248026907. The cubic root of 416201813 is about 746.6229280776.

The spelling of 416201813 in words is "four hundred sixteen million, two hundred one thousand, eight hundred thirteen".