5649291942 has 128 divisors (see below), whose sum is σ = 13653909504. Its totient is φ = 1524676608.

The previous prime is 5649291929. The next prime is 5649291961. The reversal of 5649291942 is 2491929465.

It is a super-2 number, since 2×5649291942² = 63828998891892262728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9306603 + ... + 9307209.

It is an arithmetic number, because the mean of its divisors is an integer number (106671168).

Almost surely, 2^5649291942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5649291942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6826954752).

5649291942 is an abundant number, since it is smaller than the sum of its proper divisors (8004617562).

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

5649291942 is a wasteful number, since it uses less digits than its factorization.

5649291942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its digits is 1399680, while the sum is 51.

The square root of 5649291942 is about 75161.7718125378. The cubic root of 5649291942 is about 1781.0030896711.

The spelling of 5649291942 in words is "five billion, six hundred forty-nine million, two hundred ninety-one thousand, nine hundred forty-two".