478912831451 has 2 divisors, whose sum is σ = 478912831452. Its totient is φ = 478912831450.

The previous prime is 478912831333. The next prime is 478912831567. The reversal of 478912831451 is 154138219874.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478912831451 - 2¹⁴ = 478912815067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478912831393 and 478912831402.

It is not a weakly prime, because it can be changed into another prime (478912831151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239456415725 + 239456415726.

It is an arithmetic number, because the mean of its divisors is an integer number (239456415726).

Almost surely, 2^478912831451 is an apocalyptic number.

478912831451 is a deficient number, since it is larger than the sum of its proper divisors (1).

478912831451 is an equidigital number, since it uses as much as digits as its factorization.

478912831451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 53.

The spelling of 478912831451 in words is "four hundred seventy-eight billion, nine hundred twelve million, eight hundred thirty-one thousand, four hundred fifty-one".