2551455329 has 2 divisors, whose sum is σ = 2551455330. Its totient is φ = 2551455328.

The previous prime is 2551455317. The next prime is 2551455367. The reversal of 2551455329 is 9235541552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1293121600 + 1258333729 = 35960^2 + 35473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2551455329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2551455029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275727664 + 1275727665.

It is an arithmetic number, because the mean of its divisors is an integer number (1275727665).

Almost surely, 2^2551455329 is an apocalyptic number.

It is an amenable number.

2551455329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551455329 is an equidigital number, since it uses as much as digits as its factorization.

2551455329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 41.

The square root of 2551455329 is about 50511.9325407373. The cubic root of 2551455329 is about 1366.4570627257.

The spelling of 2551455329 in words is "two billion, five hundred fifty-one million, four hundred fifty-five thousand, three hundred twenty-nine".