1409939973 has 64 divisors (see below), whose sum is σ = 2413152000. Its totient is φ = 806277888.

The previous prime is 1409939957. The next prime is 1409939983. The reversal of 1409939973 is 3799399041.

It is not a de Polignac number, because 1409939973 - 2⁴ = 1409939957 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409939953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 351463 + ... + 355451.

It is an arithmetic number, because the mean of its divisors is an integer number (37705500).

Almost surely, 2^1409939973 is an apocalyptic number.

1409939973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1409939973 is a deficient number, since it is larger than the sum of its proper divisors (1003212027).

1409939973 is a wasteful number, since it uses less digits than its factorization.

1409939973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083 (or 4077 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The square root of 1409939973 is about 37549.1674075471. The cubic root of 1409939973 is about 1121.3302574513.

The spelling of 1409939973 in words is "one billion, four hundred nine million, nine hundred thirty-nine thousand, nine hundred seventy-three".