2009562742 has 16 divisors (see below), whose sum is σ = 3291670800. Its totient is φ = 912522240.

The previous prime is 2009562727. The next prime is 2009562769. The reversal of 2009562742 is 2472659002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23067 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (205729425).

Almost surely, 2^2009562742 is an apocalyptic number.

2009562742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2009562742 is a deficient number, since it is larger than the sum of its proper divisors (1282108058).

2009562742 is a wasteful number, since it uses less digits than its factorization.

2009562742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91551.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2009562742 is about 44828.1467607127. The cubic root of 2009562742 is about 1261.9259079486.

The spelling of 2009562742 in words is "two billion, nine million, five hundred sixty-two thousand, seven hundred forty-two".