109949012731 has 8 divisors (see below), whose sum is σ = 110661052464. Its totient is φ = 109237121760.

The previous prime is 109949012689. The next prime is 109949012737. The reversal of 109949012731 is 137210949901.

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

It is a cyclic number.

It is not a de Polignac number, because 109949012731 - 2¹⁹ = 109948488443 is a prime.

It is a super-2 number, since 2×109949012731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109949012737) 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, 1710036 + ... + 1773166.

It is an arithmetic number, because the mean of its divisors is an integer number (13832631558).

Almost surely, 2^109949012731 is an apocalyptic number.

109949012731 is a deficient number, since it is larger than the sum of its proper divisors (712039733).

109949012731 is a wasteful number, since it uses less digits than its factorization.

109949012731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74381.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 109949012731 in words is "one hundred nine billion, nine hundred forty-nine million, twelve thousand, seven hundred thirty-one".