7018631497 has 2 divisors, whose sum is σ = 7018631498. Its totient is φ = 7018631496.

The previous prime is 7018631357. The next prime is 7018631549. The reversal of 7018631497 is 7941368107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5725797561 + 1292833936 = 75669^2 + 35956^2 .

It is a cyclic number.

It is not a de Polignac number, because 7018631497 - 2¹⁵ = 7018598729 is a prime.

It is a super-2 number, since 2×7018631497² = 98522376181360922018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7018031497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509315748 + 3509315749.

It is an arithmetic number, because the mean of its divisors is an integer number (3509315749).

Almost surely, 2^7018631497 is an apocalyptic number.

It is an amenable number.

7018631497 is a deficient number, since it is larger than the sum of its proper divisors (1).

7018631497 is an equidigital number, since it uses as much as digits as its factorization.

7018631497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 7018631497 is about 83777.2731532842. The cubic root of 7018631497 is about 1914.6268588329.

The spelling of 7018631497 in words is "seven billion, eighteen million, six hundred thirty-one thousand, four hundred ninety-seven".