5651370997 has 8 divisors (see below), whose sum is σ = 5803381080. Its totient is φ = 5500035840.

The previous prime is 5651370983. The next prime is 5651371049. The reversal of 5651370997 is 7990731565.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38514436 + 5612856561 = 6206^2 + 74919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5651370997 - 2³¹ = 3503887349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651370397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151738 + ... + 185275.

It is an arithmetic number, because the mean of its divisors is an integer number (725422635).

Almost surely, 2^5651370997 is an apocalyptic number.

It is an amenable number.

5651370997 is a deficient number, since it is larger than the sum of its proper divisors (152010083).

5651370997 is a wasteful number, since it uses less digits than its factorization.

5651370997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337463.

The product of its (nonzero) digits is 1786050, while the sum is 52.

The square root of 5651370997 is about 75175.6010750829. The cubic root of 5651370997 is about 1781.2215447314.

The spelling of 5651370997 in words is "five billion, six hundred fifty-one million, three hundred seventy thousand, nine hundred ninety-seven".