7136529893 has 2 divisors, whose sum is σ = 7136529894. Its totient is φ = 7136529892.

The previous prime is 7136529877. The next prime is 7136529901. The reversal of 7136529893 is 3989256317.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4321484644 + 2815045249 = 65738^2 + 53057^2 .

It is a cyclic number.

It is not a de Polignac number, because 7136529893 - 2⁴ = 7136529877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7136529193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568264946 + 3568264947.

It is an arithmetic number, because the mean of its divisors is an integer number (3568264947).

Almost surely, 2^7136529893 is an apocalyptic number.

It is an amenable number.

7136529893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7136529893 is an equidigital number, since it uses as much as digits as its factorization.

7136529893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The square root of 7136529893 is about 84477.9846646450. The cubic root of 7136529893 is about 1925.2879666350.

The spelling of 7136529893 in words is "seven billion, one hundred thirty-six million, five hundred twenty-nine thousand, eight hundred ninety-three".