5651249959 has 10 divisors (see below), whose sum is σ = 5758532200. Its totient is φ = 5545826352.

The previous prime is 5651249957. The next prime is 5651249969. The reversal of 5651249959 is 9599421565.

It is not a de Polignac number, because 5651249959 - 2¹ = 5651249957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651249953) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28398142 + ... + 28398340.

It is an arithmetic number, because the mean of its divisors is an integer number (575853220).

Almost surely, 2^5651249959 is an apocalyptic number.

5651249959 is a deficient number, since it is larger than the sum of its proper divisors (107282241).

5651249959 is an frugal number, since it uses more digits than its factorization.

5651249959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 272 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 55.

The square root of 5651249959 is about 75174.7960356395. The cubic root of 5651249959 is about 1781.2088282282.

The spelling of 5651249959 in words is "five billion, six hundred fifty-one million, two hundred forty-nine thousand, nine hundred fifty-nine".