10781378429 has 8 divisors (see below), whose sum is σ = 10807400640. Its totient is φ = 10755382176.

The previous prime is 10781378417. The next prime is 10781378479. The reversal of 10781378429 is 92487318701.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10781378429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781378479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009214 + ... + 1019840.

It is an arithmetic number, because the mean of its divisors is an integer number (1350925080).

Almost surely, 2^10781378429 is an apocalyptic number.

It is an amenable number.

10781378429 is a deficient number, since it is larger than the sum of its proper divisors (26022211).

10781378429 is a wasteful number, since it uses less digits than its factorization.

10781378429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12979.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 10781378429 in words is "ten billion, seven hundred eighty-one million, three hundred seventy-eight thousand, four hundred twenty-nine".