1374909947 has 2 divisors, whose sum is σ = 1374909948. Its totient is φ = 1374909946.

The previous prime is 1374909929. The next prime is 1374909983. The reversal of 1374909947 is 7499094731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1374909947 - 2⁶ = 1374909883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1374903947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687454973 + 687454974.

It is an arithmetic number, because the mean of its divisors is an integer number (687454974).

Almost surely, 2^1374909947 is an apocalyptic number.

1374909947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374909947 is an equidigital number, since it uses as much as digits as its factorization.

1374909947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1374909947 is about 37079.7781411917. The cubic root of 1374909947 is about 1111.9657688663.

The spelling of 1374909947 in words is "one billion, three hundred seventy-four million, nine hundred nine thousand, nine hundred forty-seven".