1963149334 has 4 divisors (see below), whose sum is σ = 2944724004. Its totient is φ = 981574666.

The previous prime is 1963149281. The next prime is 1963149347. The reversal of 1963149334 is 4339413691.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490787332 + ... + 490787335.

It is an arithmetic number, because the mean of its divisors is an integer number (736181001).

Almost surely, 2^1963149334 is an apocalyptic number.

1963149334 is a deficient number, since it is larger than the sum of its proper divisors (981574670).

1963149334 is an equidigital number, since it uses as much as digits as its factorization.

1963149334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981574669.

The product of its digits is 209952, while the sum is 43.

The square root of 1963149334 is about 44307.4410680644. The cubic root of 1963149334 is about 1252.1348763533.

The spelling of 1963149334 in words is "one billion, nine hundred sixty-three million, one hundred forty-nine thousand, three hundred thirty-four".