5781949722 has 16 divisors (see below), whose sum is σ = 12848777280. Its totient is φ = 1927316556.

The previous prime is 5781949711. The next prime is 5781949757. The reversal of 5781949722 is 2279491875.

5781949722 is a `hidden beast` number, since 57 + 81 + 9 + 497 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 107073143 = 5781949722 / (5 + 7 + 8 + 1 + 9 + 4 + 9 + 7 + 2 + 2).

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, 53536518 + ... + 53536625.

It is an arithmetic number, because the mean of its divisors is an integer number (803048580).

Almost surely, 2^5781949722 is an apocalyptic number.

5781949722 is an abundant number, since it is smaller than the sum of its proper divisors (7066827558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5781949722 is a wasteful number, since it uses less digits than its factorization.

5781949722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107073154 (or 107073148 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The square root of 5781949722 is about 76039.1328330354. The cubic root of 5781949722 is about 1794.8359936332.

The spelling of 5781949722 in words is "five billion, seven hundred eighty-one million, nine hundred forty-nine thousand, seven hundred twenty-two".