9458785491 has 4 divisors (see below), whose sum is σ = 12611713992. Its totient is φ = 6305856992.

The previous prime is 9458785481. The next prime is 9458785529. The reversal of 9458785491 is 1945878549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1945878549 = 3 ⋅648626183.

It is a cyclic number.

It is not a de Polignac number, because 9458785491 - 2⁵ = 9458785459 is a prime.

It is a super-2 number, since 2×9458785491² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9458785471) 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, 1576464246 + ... + 1576464251.

It is an arithmetic number, because the mean of its divisors is an integer number (3152928498).

Almost surely, 2^9458785491 is an apocalyptic number.

9458785491 is a deficient number, since it is larger than the sum of its proper divisors (3152928501).

9458785491 is a wasteful number, since it uses less digits than its factorization.

9458785491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152928500.

The product of its digits is 14515200, while the sum is 60.

The square root of 9458785491 is about 97256.2876682017. The cubic root of 9458785491 is about 2114.8445910769.

The spelling of 9458785491 in words is "nine billion, four hundred fifty-eight million, seven hundred eighty-five thousand, four hundred ninety-one".