9954919641 has 24 divisors (see below), whose sum is σ = 14036401120. Its totient is φ = 6258387456.

The previous prime is 9954919633. The next prime is 9954919649. The reversal of 9954919641 is 1469194599.

It is an interprime number because it is at equal distance from previous prime (9954919633) and next prime (9954919649).

It is not a de Polignac number, because 9954919641 - 2³ = 9954919633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9954919649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3092865 + ... + 3096081.

Almost surely, 2^9954919641 is an apocalyptic number.

It is an amenable number.

9954919641 is a deficient number, since it is larger than the sum of its proper divisors (4081481479).

9954919641 is a wasteful number, since it uses less digits than its factorization.

9954919641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705 (or 3472 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 57.

The square root of 9954919641 is about 99774.3436009478. The cubic root of 9954919641 is about 2151.1923900295.

The spelling of 9954919641 in words is "nine billion, nine hundred fifty-four million, nine hundred nineteen thousand, six hundred forty-one".