2921945342 has 16 divisors (see below), whose sum is σ = 4438962000. Its totient is φ = 1442387520.

The previous prime is 2921945333. The next prime is 2921945399. The reversal of 2921945342 is 2435491292.

It is a self number, because there is not a number n which added to its sum of digits gives 2921945342.

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, 37409 + ... + 85107.

It is an arithmetic number, because the mean of its divisors is an integer number (277435125).

Almost surely, 2^2921945342 is an apocalyptic number.

2921945342 is a deficient number, since it is larger than the sum of its proper divisors (1517016658).

2921945342 is a wasteful number, since it uses less digits than its factorization.

2921945342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48091.

The product of its digits is 155520, while the sum is 41.

The square root of 2921945342 is about 54055.0214318707. The cubic root of 2921945342 is about 1429.6312384753.

The spelling of 2921945342 in words is "two billion, nine hundred twenty-one million, nine hundred forty-five thousand, three hundred forty-two".