1409747492 has 12 divisors (see below), whose sum is σ = 2469290460. Its totient is φ = 704235936.

The previous prime is 1409747473. The next prime is 1409747497. The reversal of 1409747492 is 2947479041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123520996 + 1286226496 = 11114^2 + 35864^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1409747497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154463 + ... + 163334.

It is an arithmetic number, because the mean of its divisors is an integer number (205774205).

Almost surely, 2^1409747492 is an apocalyptic number.

It is an amenable number.

1409747492 is a deficient number, since it is larger than the sum of its proper divisors (1059542968).

1409747492 is a wasteful number, since it uses less digits than its factorization.

1409747492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318910 (or 318908 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 1409747492 is about 37546.6042672303. The cubic root of 1409747492 is about 1121.2792281886.

The spelling of 1409747492 in words is "one billion, four hundred nine million, seven hundred forty-seven thousand, four hundred ninety-two".