7149611731 has 2 divisors, whose sum is σ = 7149611732. Its totient is φ = 7149611730.

The previous prime is 7149611671. The next prime is 7149611743. The reversal of 7149611731 is 1371169417.

It is a strong prime.

It is an emirp because it is prime and its reverse (1371169417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7149611731 - 2⁹ = 7149611219 is a prime.

It is a super-2 number, since 2×7149611731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7149611771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574805865 + 3574805866.

It is an arithmetic number, because the mean of its divisors is an integer number (3574805866).

Almost surely, 2^7149611731 is an apocalyptic number.

7149611731 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149611731 is an equidigital number, since it uses as much as digits as its factorization.

7149611731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 40.

The square root of 7149611731 is about 84555.3767125427. The cubic root of 7149611731 is about 1926.4636515407.

The spelling of 7149611731 in words is "seven billion, one hundred forty-nine million, six hundred eleven thousand, seven hundred thirty-one".