3678493757 has 2 divisors, whose sum is σ = 3678493758. Its totient is φ = 3678493756.

The previous prime is 3678493739. The next prime is 3678493771. The reversal of 3678493757 is 7573948763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2293835236 + 1384658521 = 47894^2 + 37211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678493757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3678493696 and 3678493705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678493057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839246878 + 1839246879.

It is an arithmetic number, because the mean of its divisors is an integer number (1839246879).

Almost surely, 2^3678493757 is an apocalyptic number.

It is an amenable number.

3678493757 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678493757 is an equidigital number, since it uses as much as digits as its factorization.

3678493757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 59.

The square root of 3678493757 is about 60650.5874415079. The cubic root of 3678493757 is about 1543.6778566121.

The spelling of 3678493757 in words is "three billion, six hundred seventy-eight million, four hundred ninety-three thousand, seven hundred fifty-seven".