10550009971 has 2 divisors, whose sum is σ = 10550009972. Its totient is φ = 10550009970.

The previous prime is 10550009969. The next prime is 10550010017. The reversal of 10550009971 is 17990005501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10550009971 - 2¹ = 10550009969 is a prime.

It is a super-2 number, since 2×10550009971² (a number of 21 digits) contains 22 as substring.

Together with 10550009969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10550009971.

It is not a weakly prime, because it can be changed into another prime (10550099971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275004985 + 5275004986.

It is an arithmetic number, because the mean of its divisors is an integer number (5275004986).

Almost surely, 2^10550009971 is an apocalyptic number.

10550009971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550009971 is an equidigital number, since it uses as much as digits as its factorization.

10550009971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 37.

The spelling of 10550009971 in words is "ten billion, five hundred fifty million, nine thousand, nine hundred seventy-one".