7132815929 has 2 divisors, whose sum is σ = 7132815930. Its totient is φ = 7132815928.

The previous prime is 7132815889. The next prime is 7132815979. The reversal of 7132815929 is 9295182317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5576355625 + 1556460304 = 74675^2 + 39452^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7132815929 is a prime.

It is a super-2 number, since 2×7132815929² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7132815979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3566407964 + 3566407965.

It is an arithmetic number, because the mean of its divisors is an integer number (3566407965).

Almost surely, 2^7132815929 is an apocalyptic number.

It is an amenable number.

7132815929 is a deficient number, since it is larger than the sum of its proper divisors (1).

7132815929 is an equidigital number, since it uses as much as digits as its factorization.

7132815929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 7132815929 is about 84455.9999585583. Note that the first 4 decimals coincide. The cubic root of 7132815929 is about 1924.9539251580.

The spelling of 7132815929 in words is "seven billion, one hundred thirty-two million, eight hundred fifteen thousand, nine hundred twenty-nine".