7421403650 has 12 divisors (see below), whose sum is σ = 13803810882. Its totient is φ = 2968561440.

The previous prime is 7421403637. The next prime is 7421403733. The reversal of 7421403650 is 563041247.

It can be written as a sum of positive squares in 3 ways, for example, as 3320410129 + 4100993521 = 57623^2 + 64039^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74213987 + ... + 74214086.

Almost surely, 2^7421403650 is an apocalyptic number.

7421403650 is a deficient number, since it is larger than the sum of its proper divisors (6382407232).

7421403650 is a wasteful number, since it uses less digits than its factorization.

7421403650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148428085 (or 148428080 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7421403650 is about 86147.5690312849. The cubic root of 7421403650 is about 1950.5721441877.

Adding to 7421403650 its reverse (563041247), we get a palindrome (7984444897).

The spelling of 7421403650 in words is "seven billion, four hundred twenty-one million, four hundred three thousand, six hundred fifty".