9381742156 has 6 divisors (see below), whose sum is σ = 16418048780. Its totient is φ = 4690871076.

The previous prime is 9381742151. The next prime is 9381742169. The reversal of 9381742156 is 6512471839.

It is not an unprimeable number, because it can be changed into a prime (9381742151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172717766 + ... + 1172717773.

Almost surely, 2^9381742156 is an apocalyptic number.

It is an amenable number.

9381742156 is a deficient number, since it is larger than the sum of its proper divisors (7036306624).

9381742156 is a wasteful number, since it uses less digits than its factorization.

9381742156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345435543 (or 2345435541 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 9381742156 is about 96859.3937416501. The cubic root of 9381742156 is about 2109.0870136510.

The spelling of 9381742156 in words is "nine billion, three hundred eighty-one million, seven hundred forty-two thousand, one hundred fifty-six".