7140249929 has 2 divisors, whose sum is σ = 7140249930. Its totient is φ = 7140249928.

The previous prime is 7140249923. The next prime is 7140249937. The reversal of 7140249929 is 9299420417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7077015625 + 63234304 = 84125^2 + 7952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140249929 is a prime.

It is not a weakly prime, because it can be changed into another prime (7140249923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570124964 + 3570124965.

It is an arithmetic number, because the mean of its divisors is an integer number (3570124965).

Almost surely, 2^7140249929 is an apocalyptic number.

It is an amenable number.

7140249929 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140249929 is an equidigital number, since it uses as much as digits as its factorization.

7140249929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 7140249929 is about 84499.9995798817. Note that the first 3 decimals coincide. The cubic root of 7140249929 is about 1925.6224380822.

The spelling of 7140249929 in words is "seven billion, one hundred forty million, two hundred forty-nine thousand, nine hundred twenty-nine".