9620643507422 has 4 divisors (see below), whose sum is σ = 14430965261136. Its totient is φ = 4810321753710.

The previous prime is 9620643507353. The next prime is 9620643507439. The reversal of 9620643507422 is 2247053460269.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405160876854 + ... + 2405160876857.

It is an arithmetic number, because the mean of its divisors is an integer number (3607741315284).

Almost surely, 2^{9620643507422} is an apocalyptic number.

9620643507422 is a deficient number, since it is larger than the sum of its proper divisors (4810321753714).

9620643507422 is a wasteful number, since it uses less digits than its factorization.

9620643507422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4810321753713.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 9620643507422 in words is "nine trillion, six hundred twenty billion, six hundred forty-three million, five hundred seven thousand, four hundred twenty-two".