7140041687 has 2 divisors, whose sum is σ = 7140041688. Its totient is φ = 7140041686.

The previous prime is 7140041569. The next prime is 7140041759. The reversal of 7140041687 is 7861400417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7140041687 - 2⁸ = 7140041431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7140041687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140041387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570020843 + 3570020844.

It is an arithmetic number, because the mean of its divisors is an integer number (3570020844).

Almost surely, 2^7140041687 is an apocalyptic number.

7140041687 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140041687 is an equidigital number, since it uses as much as digits as its factorization.

7140041687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 7140041687 is about 84498.7673697078. The cubic root of 7140041687 is about 1925.6037179454.

The spelling of 7140041687 in words is "seven billion, one hundred forty million, forty-one thousand, six hundred eighty-seven".