10891742390 has 16 divisors (see below), whose sum is σ = 19633520880. Its totient is φ = 4350389280.

The previous prime is 10891742363. The next prime is 10891742441. The reversal of 10891742390 is 9324719801.

10891742390 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781205 + ... + 795024.

It is an arithmetic number, because the mean of its divisors is an integer number (1227095055).

Almost surely, 2^10891742390 is an apocalyptic number.

10891742390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10891742390 is a deficient number, since it is larger than the sum of its proper divisors (8741778490).

10891742390 is a wasteful number, since it uses less digits than its factorization.

10891742390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576927.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 10891742390 in words is "ten billion, eight hundred ninety-one million, seven hundred forty-two thousand, three hundred ninety".