1954669834 has 32 divisors (see below), whose sum is σ = 3309856704. Its totient is φ = 859662720.

The previous prime is 1954669813. The next prime is 1954669883. The reversal of 1954669834 is 4389664591.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24517 + ... + 67159.

It is an arithmetic number, because the mean of its divisors is an integer number (103433022).

Almost surely, 2^1954669834 is an apocalyptic number.

1954669834 is a deficient number, since it is larger than the sum of its proper divisors (1355186870).

1954669834 is a wasteful number, since it uses less digits than its factorization.

1954669834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42742.

The product of its digits is 5598720, while the sum is 55.

The square root of 1954669834 is about 44211.6481710420. The cubic root of 1954669834 is about 1250.3294777346.

The spelling of 1954669834 in words is "one billion, nine hundred fifty-four million, six hundred sixty-nine thousand, eight hundred thirty-four".