10658985491 has 8 divisors (see below), whose sum is σ = 13289124864. Its totient is φ = 8305702920.

The previous prime is 10658985479. The next prime is 10658985517. The reversal of 10658985491 is 19458985601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10658985491 - 2¹⁰ = 10658984467 is a prime.

It is a super-2 number, since 2×10658985491² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10658985451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69214115 + ... + 69214268.

It is an arithmetic number, because the mean of its divisors is an integer number (1661140608).

Almost surely, 2^10658985491 is an apocalyptic number.

10658985491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10658985491 is a deficient number, since it is larger than the sum of its proper divisors (2630139373).

10658985491 is a wasteful number, since it uses less digits than its factorization.

10658985491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138428401.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 10658985491 in words is "ten billion, six hundred fifty-eight million, nine hundred eighty-five thousand, four hundred ninety-one".