5642044261 has 4 divisors (see below), whose sum is σ = 6448050592. Its totient is φ = 4836037932.

The previous prime is 5642044253. The next prime is 5642044273. The reversal of 5642044261 is 1624402465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5642044261 - 2³ = 5642044253 is a prime.

It is a super-2 number, since 2×5642044261² = 63665326886166072242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642044211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403003155 + ... + 403003168.

It is an arithmetic number, because the mean of its divisors is an integer number (1612012648).

Almost surely, 2^5642044261 is an apocalyptic number.

It is an amenable number.

5642044261 is a deficient number, since it is larger than the sum of its proper divisors (806006331).

5642044261 is an equidigital number, since it uses as much as digits as its factorization.

5642044261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806006330.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 5642044261 is about 75113.5424607307. The cubic root of 5642044261 is about 1780.2411259636.

The spelling of 5642044261 in words is "five billion, six hundred forty-two million, forty-four thousand, two hundred sixty-one".