9141930551 has 4 divisors (see below), whose sum is σ = 9845155992. Its totient is φ = 8438705112.

The previous prime is 9141930547. The next prime is 9141930559. The reversal of 9141930551 is 1550391419.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1550391419 = 131 ⋅11835049.

It is a cyclic number.

It is not a de Polignac number, because 9141930551 - 2² = 9141930547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9141930559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351612701 + ... + 351612726.

It is an arithmetic number, because the mean of its divisors is an integer number (2461288998).

Almost surely, 2^9141930551 is an apocalyptic number.

9141930551 is a deficient number, since it is larger than the sum of its proper divisors (703225441).

9141930551 is a wasteful number, since it uses less digits than its factorization.

9141930551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703225440.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 9141930551 is about 95613.4433591846. The cubic root of 9141930551 is about 2090.9611926858.

The spelling of 9141930551 in words is "nine billion, one hundred forty-one million, nine hundred thirty thousand, five hundred fifty-one".