7411315921 has 27 divisors (see below), whose sum is σ = 8218501851. Its totient is φ = 6681883824.

The previous prime is 7411315909. The next prime is 7411315927. The reversal of 7411315921 is 1295131147.

It is a happy number.

The square root of 7411315921 is 86089.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7261596225 + 149719696 = 85215^2 + 12236^2 .

It is not a de Polignac number, because 7411315921 - 2¹⁵ = 7411283153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7411315927) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 37620795 + ... + 37620991.

Almost surely, 2^7411315921 is an apocalyptic number.

7411315921 is the 86089-th square number.

7411315921 is the 43045-th centered octagonal number.

It is an amenable number.

7411315921 is a deficient number, since it is larger than the sum of its proper divisors (807185930).

7411315921 is an equidigital number, since it uses as much as digits as its factorization.

7411315921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 239 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The cubic root of 7411315921 is about 1949.6879554158.

The spelling of 7411315921 in words is "seven billion, four hundred eleven million, three hundred fifteen thousand, nine hundred twenty-one".