10721454783 has 8 divisors (see below), whose sum is σ = 15394909488. Its totient is φ = 6597818304.

The previous prime is 10721454781. The next prime is 10721454791. The reversal of 10721454783 is 38745412701.

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

It is not a de Polignac number, because 10721454783 - 2¹ = 10721454781 is a prime.

It is a super-2 number, since 2×10721454783² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10721454781) 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, 137454510 + ... + 137454587.

It is an arithmetic number, because the mean of its divisors is an integer number (1924363686).

Almost surely, 2^10721454783 is an apocalyptic number.

10721454783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10721454783 is a deficient number, since it is larger than the sum of its proper divisors (4673454705).

10721454783 is a wasteful number, since it uses less digits than its factorization.

10721454783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274909113.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 10721454783 in words is "ten billion, seven hundred twenty-one million, four hundred fifty-four thousand, seven hundred eighty-three".