1968179354 has 4 divisors (see below), whose sum is σ = 2952269034. Its totient is φ = 984089676.

The previous prime is 1968179351. The next prime is 1968179371. The reversal of 1968179354 is 4539718691.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1799880625 + 168298729 = 42425^2 + 12973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1968179296 and 1968179305.

It is not an unprimeable number, because it can be changed into a prime (1968179351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492044837 + ... + 492044840.

Almost surely, 2^1968179354 is an apocalyptic number.

1968179354 is a deficient number, since it is larger than the sum of its proper divisors (984089680).

1968179354 is an equidigital number, since it uses as much as digits as its factorization.

1968179354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984089679.

The product of its digits is 1632960, while the sum is 53.

The square root of 1968179354 is about 44364.1674552786. The cubic root of 1968179354 is about 1253.2033791967.

The spelling of 1968179354 in words is "one billion, nine hundred sixty-eight million, one hundred seventy-nine thousand, three hundred fifty-four".