415376021243 has 4 divisors (see below), whose sum is σ = 417238694208. Its totient is φ = 413513348280.

The previous prime is 415376021237. The next prime is 415376021267. The reversal of 415376021243 is 342120673514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342120673514 = 2 ⋅171060336757.

It is a cyclic number.

It is not a de Polignac number, because 415376021243 - 2²² = 415371826939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 415376021197 and 415376021206.

It is not an unprimeable number, because it can be changed into a prime (415376021213) 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, 931336148 + ... + 931336593.

It is an arithmetic number, because the mean of its divisors is an integer number (104309673552).

Almost surely, 2^415376021243 is an apocalyptic number.

415376021243 is a deficient number, since it is larger than the sum of its proper divisors (1862672965).

415376021243 is a wasteful number, since it uses less digits than its factorization.

415376021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862672964.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 415376021243 its reverse (342120673514), we get a palindrome (757496694757).

The spelling of 415376021243 in words is "four hundred fifteen billion, three hundred seventy-six million, twenty-one thousand, two hundred forty-three".