2167428783962 has 32 divisors (see below), whose sum is σ = 3586787268624. Its totient is φ = 975909312000.

The previous prime is 2167428783959. The next prime is 2167428783997. The reversal of 2167428783962 is 2693878247612.

It is a Cunningham number, because it is equal to 1472219²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 90403050241 + 2077025733721 = 300671^2 + 1441189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42508988 + ... + 42559944.

Almost surely, 2^{2167428783962} is an apocalyptic number.

2167428783962 is a deficient number, since it is larger than the sum of its proper divisors (1419358484662).

2167428783962 is a wasteful number, since it uses less digits than its factorization.

2167428783962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90914.

The product of its digits is 97542144, while the sum is 65.

The spelling of 2167428783962 in words is "two trillion, one hundred sixty-seven billion, four hundred twenty-eight million, seven hundred eighty-three thousand, nine hundred sixty-two".