106942987249 has 4 divisors (see below), whose sum is σ = 122220556864. Its totient is φ = 91665417636.

The previous prime is 106942987213. The next prime is 106942987267. The reversal of 106942987249 is 942789249601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942789249601 = 17 ⋅55458191153.

It is a cyclic number.

It is not a de Polignac number, because 106942987249 - 2⁷ = 106942987121 is a prime.

It is a super-2 number, since 2×106942987249² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106942687249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638784797 + ... + 7638784810.

It is an arithmetic number, because the mean of its divisors is an integer number (30555139216).

Almost surely, 2^106942987249 is an apocalyptic number.

It is an amenable number.

106942987249 is a deficient number, since it is larger than the sum of its proper divisors (15277569615).

106942987249 is an equidigital number, since it uses as much as digits as its factorization.

106942987249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277569614.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 106942987249 in words is "one hundred six billion, nine hundred forty-two million, nine hundred eighty-seven thousand, two hundred forty-nine".