1936872369 has 12 divisors (see below), whose sum is σ = 2944952400. Its totient is φ = 1223287704.

The previous prime is 1936872367. The next prime is 1936872383. The reversal of 1936872369 is 9632786391.

It is not a de Polignac number, because 1936872369 - 2¹ = 1936872367 is a prime.

It is a super-2 number, since 2×1936872369² = 7502949147591344322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1936872367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5663199 + ... + 5663540.

It is an arithmetic number, because the mean of its divisors is an integer number (245412700).

Almost surely, 2^1936872369 is an apocalyptic number.

1936872369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1936872369 is a deficient number, since it is larger than the sum of its proper divisors (1008080031).

1936872369 is a wasteful number, since it uses less digits than its factorization.

1936872369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11326764 (or 11326761 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 1936872369 is about 44009.9121676015. The cubic root of 1936872369 is about 1246.5231100088.

The spelling of 1936872369 in words is "one billion, nine hundred thirty-six million, eight hundred seventy-two thousand, three hundred sixty-nine".