7421943315 has 16 divisors (see below), whose sum is σ = 11878230528. Its totient is φ = 3957329376.

The previous prime is 7421943313. The next prime is 7421943329. The reversal of 7421943315 is 5133491247.

It is not a de Polignac number, because 7421943315 - 2¹ = 7421943313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7421943313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4219 + ... + 121908.

It is an arithmetic number, because the mean of its divisors is an integer number (742389408).

Almost surely, 2^7421943315 is an apocalyptic number.

7421943315 is a deficient number, since it is larger than the sum of its proper divisors (4456287213).

7421943315 is a wasteful number, since it uses less digits than its factorization.

7421943315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130058.

The product of its digits is 90720, while the sum is 39.

The square root of 7421943315 is about 86150.7011869317. The cubic root of 7421943315 is about 1950.6194232044.

The spelling of 7421943315 in words is "seven billion, four hundred twenty-one million, nine hundred forty-three thousand, three hundred fifteen".