10920489734 has 32 divisors (see below), whose sum is σ = 20427814656. Its totient is φ = 4253677920.

The previous prime is 10920489731. The next prime is 10920489737. The reversal of 10920489734 is 43798402901.

It is an interprime number because it is at equal distance from previous prime (10920489731) and next prime (10920489737).

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10920489731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948617 + ... + 960059.

It is an arithmetic number, because the mean of its divisors is an integer number (638369208).

Almost surely, 2^10920489734 is an apocalyptic number.

10920489734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10920489734 is a deficient number, since it is larger than the sum of its proper divisors (9507324922).

10920489734 is a wasteful number, since it uses less digits than its factorization.

10920489734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17660.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 10920489734 in words is "ten billion, nine hundred twenty million, four hundred eighty-nine thousand, seven hundred thirty-four".