1969888107 has 48 divisors (see below), whose sum is σ = 3189957120. Its totient is φ = 1074712320.

The previous prime is 1969888057. The next prime is 1969888127. The reversal of 1969888107 is 7018889691.

It is not a de Polignac number, because 1969888107 - 2⁶ = 1969888043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1969888127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134994 + ... + 148872.

It is an arithmetic number, because the mean of its divisors is an integer number (66457440).

Almost surely, 2^1969888107 is an apocalyptic number.

1969888107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1969888107 is a deficient number, since it is larger than the sum of its proper divisors (1220069013).

1969888107 is a wasteful number, since it uses less digits than its factorization.

1969888107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944 (or 13933 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 57.

The square root of 1969888107 is about 44383.4215332707. The cubic root of 1969888107 is about 1253.5659470372.

The spelling of 1969888107 in words is "one billion, nine hundred sixty-nine million, eight hundred eighty-eight thousand, one hundred seven".