2151305069 has 8 divisors (see below), whose sum is σ = 2376889920. Its totient is φ = 1936724416.

The previous prime is 2151305053. The next prime is 2151305081. The reversal of 2151305069 is 9605031512.

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 2151305069 - 2⁴ = 2151305053 is a prime.

It is a super-2 number, since 2×2151305069² = 9256226999810189522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151305029) 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, 2750639 + ... + 2751420.

It is an arithmetic number, because the mean of its divisors is an integer number (297111240).

Almost surely, 2^2151305069 is an apocalyptic number.

It is an amenable number.

2151305069 is a deficient number, since it is larger than the sum of its proper divisors (225584851).

2151305069 is a wasteful number, since it uses less digits than its factorization.

2151305069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502099.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 2151305069 is about 46382.1632634788. The cubic root of 2151305069 is about 1290.9239757770.

The spelling of 2151305069 in words is "two billion, one hundred fifty-one million, three hundred five thousand, sixty-nine".