2117476551 has 16 divisors (see below), whose sum is σ = 2834247680. Its totient is φ = 1406190240.

The previous prime is 2117476541. The next prime is 2117476561. The reversal of 2117476551 is 1556747112.

It is an interprime number because it is at equal distance from previous prime (2117476541) and next prime (2117476561).

It is not a de Polignac number, because 2117476551 - 2⁷ = 2117476423 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 (2117476541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438746 + ... + 1440216.

It is an arithmetic number, because the mean of its divisors is an integer number (177140480).

Almost surely, 2^2117476551 is an apocalyptic number.

2117476551 is a deficient number, since it is larger than the sum of its proper divisors (716771129).

2117476551 is a wasteful number, since it uses less digits than its factorization.

2117476551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its digits is 58800, while the sum is 39.

The square root of 2117476551 is about 46016.0466685264. The cubic root of 2117476551 is about 1284.1217536984.

The spelling of 2117476551 in words is "two billion, one hundred seventeen million, four hundred seventy-six thousand, five hundred fifty-one".