38427451456243 has 16 divisors (see below), whose sum is σ = 38599493708160. Its totient is φ = 38255728809600.

The previous prime is 38427451456237. The next prime is 38427451456249. The reversal of 38427451456243 is 34265415472483.

It is an interprime number because it is at equal distance from previous prime (38427451456237) and next prime (38427451456249).

It is a cyclic number.

It is not a de Polignac number, because 38427451456243 - 2¹³ = 38427451448051 is a prime.

It is a super-2 number, since 2×38427451456243² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38427451456249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2438127483 + ... + 2438143243.

It is an arithmetic number, because the mean of its divisors is an integer number (2412468356760).

Almost surely, 2^{38427451456243} is an apocalyptic number.

38427451456243 is a deficient number, since it is larger than the sum of its proper divisors (172042251917).

38427451456243 is a wasteful number, since it uses less digits than its factorization.

38427451456243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25218.

The product of its digits is 77414400, while the sum is 58.

The spelling of 38427451456243 in words is "thirty-eight trillion, four hundred twenty-seven billion, four hundred fifty-one million, four hundred fifty-six thousand, two hundred forty-three".