481269739451 has 2 divisors, whose sum is σ = 481269739452. Its totient is φ = 481269739450.

The previous prime is 481269739411. The next prime is 481269739537. The reversal of 481269739451 is 154937962184.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 481269739451 - 2¹⁸ = 481269477307 is a prime.

It is a super-2 number, since 2×481269739451² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (481269739411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240634869725 + 240634869726.

It is an arithmetic number, because the mean of its divisors is an integer number (240634869726).

Almost surely, 2^481269739451 is an apocalyptic number.

481269739451 is a deficient number, since it is larger than the sum of its proper divisors (1).

481269739451 is an equidigital number, since it uses as much as digits as its factorization.

481269739451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 59.

The spelling of 481269739451 in words is "four hundred eighty-one billion, two hundred sixty-nine million, seven hundred thirty-nine thousand, four hundred fifty-one".