10978063491 has 8 divisors (see below), whose sum is σ = 14822702080. Its totient is φ = 7226066952.

The previous prime is 10978063423. The next prime is 10978063501. The reversal of 10978063491 is 19436087901.

It is a happy number.

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

It is not a de Polignac number, because 10978063491 - 2¹⁸ = 10977801347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10978063491.

It is not an unprimeable number, because it can be changed into a prime (10978063391) 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, 23160235 + ... + 23160708.

It is an arithmetic number, because the mean of its divisors is an integer number (1852837760).

Almost surely, 2^10978063491 is an apocalyptic number.

10978063491 is a deficient number, since it is larger than the sum of its proper divisors (3844638589).

10978063491 is an equidigital number, since it uses as much as digits as its factorization.

10978063491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46321025.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 10978063491 in words is "ten billion, nine hundred seventy-eight million, sixty-three thousand, four hundred ninety-one".