2758344157 has 2 divisors, whose sum is σ = 2758344158. Its totient is φ = 2758344156.

The previous prime is 2758344139. The next prime is 2758344181. The reversal of 2758344157 is 7514438572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2371592601 + 386751556 = 48699^2 + 19666^2 .

It is a cyclic number.

It is not a de Polignac number, because 2758344157 - 2²⁷ = 2624126429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2758345157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1379172078 + 1379172079.

It is an arithmetic number, because the mean of its divisors is an integer number (1379172079).

Almost surely, 2^2758344157 is an apocalyptic number.

It is an amenable number.

2758344157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2758344157 is an equidigital number, since it uses as much as digits as its factorization.

2758344157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 46.

The square root of 2758344157 is about 52519.9405654652. The cubic root of 2758344157 is about 1402.4352440173.

The spelling of 2758344157 in words is "two billion, seven hundred fifty-eight million, three hundred forty-four thousand, one hundred fifty-seven".