7137010421 has 2 divisors, whose sum is σ = 7137010422. Its totient is φ = 7137010420.

The previous prime is 7137010417. The next prime is 7137010487. The reversal of 7137010421 is 1240107317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6587107921 + 549902500 = 81161^2 + 23450^2 .

It is a cyclic number.

It is not a de Polignac number, because 7137010421 - 2² = 7137010417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7137010411) 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, 3568505210 + 3568505211.

It is an arithmetic number, because the mean of its divisors is an integer number (3568505211).

Almost surely, 2^7137010421 is an apocalyptic number.

It is an amenable number.

7137010421 is a deficient number, since it is larger than the sum of its proper divisors (1).

7137010421 is an equidigital number, since it uses as much as digits as its factorization.

7137010421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 7137010421 is about 84480.8287187099. The cubic root of 7137010421 is about 1925.3311778327.

Adding to 7137010421 its reverse (1240107317), we get a palindrome (8377117738).

The spelling of 7137010421 in words is "seven billion, one hundred thirty-seven million, ten thousand, four hundred twenty-one".