1924372905 has 32 divisors (see below), whose sum is σ = 3789537024. Its totient is φ = 812042496.

The previous prime is 1924372903. The next prime is 1924372907. The reversal of 1924372905 is 5092734291.

It is an interprime number because it is at equal distance from previous prime (1924372903) and next prime (1924372907).

It is not a de Polignac number, because 1924372905 - 2¹ = 1924372903 is a prime.

It is a super-2 number, since 2×1924372905² = 7406422154996278050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1924372903) 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 31 ways as a sum of consecutive naturals, for example, 703534 + ... + 706263.

It is an arithmetic number, because the mean of its divisors is an integer number (118423032).

Almost surely, 2^1924372905 is an apocalyptic number.

1924372905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1924372905 is a deficient number, since it is larger than the sum of its proper divisors (1865164119).

1924372905 is a wasteful number, since it uses less digits than its factorization.

1924372905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409825.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1924372905 is about 43867.6749440861. The cubic root of 1924372905 is about 1243.8358725252.

The spelling of 1924372905 in words is "one billion, nine hundred twenty-four million, three hundred seventy-two thousand, nine hundred five".