53398691009 has 8 divisors (see below), whose sum is σ = 54547123680. Its totient is φ = 52262284096.

The previous prime is 53398690957. The next prime is 53398691023. The reversal of 53398691009 is 90019689335.

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 53398691009 - 2¹⁶ = 53398625473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53398691089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997464 + ... + 3015225.

It is an arithmetic number, because the mean of its divisors is an integer number (6818390460).

Almost surely, 2^53398691009 is an apocalyptic number.

It is an amenable number.

53398691009 is a deficient number, since it is larger than the sum of its proper divisors (1148432671).

53398691009 is a wasteful number, since it uses less digits than its factorization.

53398691009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012879.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The spelling of 53398691009 in words is "fifty-three billion, three hundred ninety-eight million, six hundred ninety-one thousand, nine".