5651280439 has 16 divisors (see below), whose sum is σ = 6669803520. Its totient is φ = 4685690880.

The previous prime is 5651280413. The next prime is 5651280463. The reversal of 5651280439 is 9340821565.

It is a cyclic number.

It is not a de Polignac number, because 5651280439 - 2⁵ = 5651280407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5651280395 and 5651280404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651280499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718482 + ... + 726304.

It is an arithmetic number, because the mean of its divisors is an integer number (416862720).

Almost surely, 2^5651280439 is an apocalyptic number.

5651280439 is a deficient number, since it is larger than the sum of its proper divisors (1018523081).

5651280439 is a wasteful number, since it uses less digits than its factorization.

5651280439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 5651280439 is about 75174.9987628866. The cubic root of 5651280439 is about 1781.2120305373.

The spelling of 5651280439 in words is "five billion, six hundred fifty-one million, two hundred eighty thousand, four hundred thirty-nine".