1409742243 has 96 divisors (see below), whose sum is σ = 2656582656. Its totient is φ = 700026624.

The previous prime is 1409742239. The next prime is 1409742247. The reversal of 1409742243 is 3422479041.

1409742243 is a `hidden beast` number, since 1 + 409 + 7 + 4 + 2 + 243 = 666.

It is an interprime number because it is at equal distance from previous prime (1409742239) and next prime (1409742247).

It is not a de Polignac number, because 1409742243 - 2² = 1409742239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1409742198 and 1409742207.

It is not an unprimeable number, because it can be changed into a prime (1409742247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1261521 + ... + 1262637.

It is an arithmetic number, because the mean of its divisors is an integer number (27672736).

Almost surely, 2^1409742243 is an apocalyptic number.

1409742243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1409742243 is a deficient number, since it is larger than the sum of its proper divisors (1246840413).

1409742243 is a wasteful number, since it uses less digits than its factorization.

1409742243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1409742243 is about 37546.5343673687. The cubic root of 1409742243 is about 1121.2778365441.

The spelling of 1409742243 in words is "one billion, four hundred nine million, seven hundred forty-two thousand, two hundred forty-three".