551000000993 has 8 divisors (see below), whose sum is σ = 594736296000. Its totient is φ = 507456803088.

The previous prime is 551000000989. The next prime is 551000001037. The reversal of 551000000993 is 399000000155.

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 551000000993 - 2² = 551000000989 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 (551000000923) 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, 48268343 + ... + 48279756.

It is an arithmetic number, because the mean of its divisors is an integer number (74342037000).

Almost surely, 2^551000000993 is an apocalyptic number.

It is an amenable number.

551000000993 is a deficient number, since it is larger than the sum of its proper divisors (43736295007).

551000000993 is a wasteful number, since it uses less digits than its factorization.

551000000993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96548551.

The product of its (nonzero) digits is 6075, while the sum is 32.

The spelling of 551000000993 in words is "five hundred fifty-one billion, nine hundred ninety-three", and thus it is an aban number.