2291509742 has 4 divisors (see below), whose sum is σ = 3437264616. Its totient is φ = 1145754870.

The previous prime is 2291509723. The next prime is 2291509751. The reversal of 2291509742 is 2479051922.

2291509742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2291509742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572877434 + ... + 572877437.

It is an arithmetic number, because the mean of its divisors is an integer number (859316154).

Almost surely, 2^2291509742 is an apocalyptic number.

2291509742 is a deficient number, since it is larger than the sum of its proper divisors (1145754874).

2291509742 is a wasteful number, since it uses less digits than its factorization.

2291509742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145754873.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2291509742 is about 47869.7163350693. The cubic root of 2291509742 is about 1318.3798883141.

The spelling of 2291509742 in words is "two billion, two hundred ninety-one million, five hundred nine thousand, seven hundred forty-two".