1968434949 has 8 divisors (see below), whose sum is σ = 2826470752. Its totient is φ = 1211344560.

The previous prime is 1968434933. The next prime is 1968434953. The reversal of 1968434949 is 9494348691.

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

It is not a de Polignac number, because 1968434949 - 2⁴ = 1968434933 is a prime.

It is a super-2 number, since 2×1968434949² = 7749472296889265202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968434929) 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, 25236307 + ... + 25236384.

It is an arithmetic number, because the mean of its divisors is an integer number (353308844).

Almost surely, 2^1968434949 is an apocalyptic number.

It is an amenable number.

1968434949 is a deficient number, since it is larger than the sum of its proper divisors (858035803).

1968434949 is a wasteful number, since it uses less digits than its factorization.

1968434949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50472707.

The product of its digits is 6718464, while the sum is 57.

The square root of 1968434949 is about 44367.0480086291. The cubic root of 1968434949 is about 1253.2576253798.

The spelling of 1968434949 in words is "one billion, nine hundred sixty-eight million, four hundred thirty-four thousand, nine hundred forty-nine".