1342574649 has 16 divisors (see below), whose sum is σ = 2142000000. Its totient is φ = 826199568.

The previous prime is 1342574647. The next prime is 1342574663. The reversal of 1342574649 is 9464752431.

1342574649 is a `hidden beast` number, since 1 + 34 + 2 + 574 + 6 + 49 = 666.

It is not a de Polignac number, because 1342574649 - 2¹ = 1342574647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1342574647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912149 + ... + 1912850.

It is an arithmetic number, because the mean of its divisors is an integer number (133875000).

Almost surely, 2^1342574649 is an apocalyptic number.

It is an amenable number.

1342574649 is a deficient number, since it is larger than the sum of its proper divisors (799425351).

1342574649 is a wasteful number, since it uses less digits than its factorization.

1342574649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825021 (or 3825015 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1342574649 is about 36641.1605847850. The cubic root of 1342574649 is about 1103.1794100061.

The spelling of 1342574649 in words is "one billion, three hundred forty-two million, five hundred seventy-four thousand, six hundred forty-nine".