7149984251 has 2 divisors, whose sum is σ = 7149984252. Its totient is φ = 7149984250.

The previous prime is 7149984241. The next prime is 7149984311. The reversal of 7149984251 is 1524899417.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7149984251 - 2¹⁰ = 7149983227 is a prime.

It is a super-2 number, since 2×7149984251² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7149984251.

It is not a weakly prime, because it can be changed into another prime (7149984211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574992125 + 3574992126.

It is an arithmetic number, because the mean of its divisors is an integer number (3574992126).

Almost surely, 2^7149984251 is an apocalyptic number.

7149984251 is a deficient number, since it is larger than the sum of its proper divisors (1).

7149984251 is an equidigital number, since it uses as much as digits as its factorization.

7149984251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 7149984251 is about 84557.5795005983. The cubic root of 7149984251 is about 1926.4971094777.

The spelling of 7149984251 in words is "seven billion, one hundred forty-nine million, nine hundred eighty-four thousand, two hundred fifty-one".