7368684868537 has 2 divisors, whose sum is σ = 7368684868538. Its totient is φ = 7368684868536.

The previous prime is 7368684868529. The next prime is 7368684868541. The reversal of 7368684868537 is 7358684868637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5752687122576 + 1615997745961 = 2398476^2 + 1271219^2 .

It is a cyclic number.

It is not a de Polignac number, because 7368684868537 - 2³ = 7368684868529 is a prime.

It is a super-2 number, since 2×7368684868537² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7368684868577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3684342434268 + 3684342434269.

It is an arithmetic number, because the mean of its divisors is an integer number (3684342434269).

Almost surely, 2^{7368684868537} is an apocalyptic number.

It is an amenable number.

7368684868537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7368684868537 is an equidigital number, since it uses as much as digits as its factorization.

7368684868537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7803371520, while the sum is 79.

The spelling of 7368684868537 in words is "seven trillion, three hundred sixty-eight billion, six hundred eighty-four million, eight hundred sixty-eight thousand, five hundred thirty-seven".