51733629469 has 2 divisors, whose sum is σ = 51733629470. Its totient is φ = 51733629468.

The previous prime is 51733629461. The next prime is 51733629473. The reversal of 51733629469 is 96492633715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47605566969 + 4128062500 = 218187^2 + 64250^2 .

It is a cyclic number.

It is not a de Polignac number, because 51733629469 - 2³ = 51733629461 is a prime.

It is a super-2 number, since 2×51733629469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51733629461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25866814734 + 25866814735.

It is an arithmetic number, because the mean of its divisors is an integer number (25866814735).

Almost surely, 2^51733629469 is an apocalyptic number.

It is an amenable number.

51733629469 is a deficient number, since it is larger than the sum of its proper divisors (1).

51733629469 is an equidigital number, since it uses as much as digits as its factorization.

51733629469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The spelling of 51733629469 in words is "fifty-one billion, seven hundred thirty-three million, six hundred twenty-nine thousand, four hundred sixty-nine".