10640341491 has 8 divisors (see below), whose sum is σ = 15278439120. Its totient is φ = 6547902432.

The previous prime is 10640341433. The next prime is 10640341501. The reversal of 10640341491 is 19414304601.

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

It is not a de Polignac number, because 10640341491 - 2¹³ = 10640333299 is a prime.

It is a super-2 number, since 2×10640341491² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10640341391) 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, 136414596 + ... + 136414673.

It is an arithmetic number, because the mean of its divisors is an integer number (1909804890).

Almost surely, 2^10640341491 is an apocalyptic number.

10640341491 is a deficient number, since it is larger than the sum of its proper divisors (4638097629).

10640341491 is a wasteful number, since it uses less digits than its factorization.

10640341491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272829285.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 10640341491 in words is "ten billion, six hundred forty million, three hundred forty-one thousand, four hundred ninety-one".