1964331794 has 8 divisors (see below), whose sum is σ = 2951275068. Its totient is φ = 980573440.

The previous prime is 1964331757. The next prime is 1964331797. The reversal of 1964331794 is 4971334691.

It can be written as a sum of positive squares in 2 ways, for example, as 1618855225 + 345476569 = 40235^2 + 18587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1964331797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794687 + ... + 797154.

Almost surely, 2^1964331794 is an apocalyptic number.

1964331794 is a deficient number, since it is larger than the sum of its proper divisors (986943274).

1964331794 is a wasteful number, since it uses less digits than its factorization.

1964331794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592460.

The product of its digits is 489888, while the sum is 47.

The square root of 1964331794 is about 44320.7828676345. The cubic root of 1964331794 is about 1252.3862245672.

The spelling of 1964331794 in words is "one billion, nine hundred sixty-four million, three hundred thirty-one thousand, seven hundred ninety-four".