2179152154634 has 32 divisors (see below), whose sum is σ = 4161776008320. Its totient is φ = 832355197632.

The previous prime is 2179152154633. The next prime is 2179152154657. The reversal of 2179152154634 is 4364512519712.

It is a super-2 number, since 2×2179152154634² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2179152154633) 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, 206432024 + ... + 206442579.

It is an arithmetic number, because the mean of its divisors is an integer number (130055500260).

Almost surely, 2^{2179152154634} is an apocalyptic number.

2179152154634 is a deficient number, since it is larger than the sum of its proper divisors (1982623853686).

2179152154634 is a wasteful number, since it uses less digits than its factorization.

2179152154634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412874654.

The product of its digits is 1814400, while the sum is 50.

The spelling of 2179152154634 in words is "two trillion, one hundred seventy-nine billion, one hundred fifty-two million, one hundred fifty-four thousand, six hundred thirty-four".