2186956942 has 8 divisors (see below), whose sum is σ = 3473402256. Its totient is φ = 1029156192.

The previous prime is 2186956931. The next prime is 2186956951. The reversal of 2186956942 is 2496596812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2186956942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32161098 + ... + 32161165.

It is an arithmetic number, because the mean of its divisors is an integer number (434175282).

Almost surely, 2^2186956942 is an apocalyptic number.

2186956942 is a deficient number, since it is larger than the sum of its proper divisors (1286445314).

2186956942 is a wasteful number, since it uses less digits than its factorization.

2186956942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64322282.

The product of its digits is 1866240, while the sum is 52.

The square root of 2186956942 is about 46764.9114400958. The cubic root of 2186956942 is about 1298.0160946498.

The spelling of 2186956942 in words is "two billion, one hundred eighty-six million, nine hundred fifty-six thousand, nine hundred forty-two".