2151084693 has 8 divisors (see below), whose sum is σ = 2868674400. Its totient is φ = 1433775728.

The previous prime is 2151084641. The next prime is 2151084751. The reversal of 2151084693 is 3964801512.

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 2151084693 - 2⁶ = 2151084629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151084293) 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, 51603 + ... + 83456.

It is an arithmetic number, because the mean of its divisors is an integer number (358584300).

Almost surely, 2^2151084693 is an apocalyptic number.

It is an amenable number.

2151084693 is a deficient number, since it is larger than the sum of its proper divisors (717589707).

2151084693 is a wasteful number, since it uses less digits than its factorization.

2151084693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140371.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 2151084693 is about 46379.7875480257. The cubic root of 2151084693 is about 1290.8798942593.

The spelling of 2151084693 in words is "two billion, one hundred fifty-one million, eighty-four thousand, six hundred ninety-three".