9145411638 has 32 divisors (see below), whose sum is σ = 20641685760. Its totient is φ = 2675772960.

The previous prime is 9145411633. The next prime is 9145411651. The reversal of 9145411638 is 8361145419.

It is a self number, because there is not a number n which added to its sum of digits gives 9145411638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145411633) 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, 2387170 + ... + 2390997.

It is an arithmetic number, because the mean of its divisors is an integer number (645052680).

Almost surely, 2^9145411638 is an apocalyptic number.

9145411638 is an abundant number, since it is smaller than the sum of its proper divisors (11496274122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145411638 is a wasteful number, since it uses less digits than its factorization.

9145411638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778212.

The product of its digits is 103680, while the sum is 42.

The square root of 9145411638 is about 95631.6455886858. The cubic root of 9145411638 is about 2091.2265594702.

The spelling of 9145411638 in words is "nine billion, one hundred forty-five million, four hundred eleven thousand, six hundred thirty-eight".