7000421249 has 2 divisors, whose sum is σ = 7000421250. Its totient is φ = 7000421248.

The previous prime is 7000421171. The next prime is 7000421287. The reversal of 7000421249 is 9421240007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7000334224 + 87025 = 83668^2 + 295^2 .

It is an emirp because it is prime and its reverse (9421240007) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7000421249 is a prime.

It is not a weakly prime, because it can be changed into another prime (7000421149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3500210624 + 3500210625.

It is an arithmetic number, because the mean of its divisors is an integer number (3500210625).

Almost surely, 2^7000421249 is an apocalyptic number.

It is an amenable number.

7000421249 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000421249 is an equidigital number, since it uses as much as digits as its factorization.

7000421249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 7000421249 is about 83668.5200598170. The cubic root of 7000421249 is about 1912.9695544002.

The spelling of 7000421249 in words is "seven billion, four hundred twenty-one thousand, two hundred forty-nine".