1954349683 has 16 divisors (see below), whose sum is σ = 2297627136. Its totient is φ = 1638865440.

The previous prime is 1954349669. The next prime is 1954349717. The reversal of 1954349683 is 3869434591.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1954349683 - 2¹³ = 1954341491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1954349683.

It is not an unprimeable number, because it can be changed into a prime (1954349653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245910 + ... + 253732.

It is an arithmetic number, because the mean of its divisors is an integer number (143601696).

Almost surely, 2^1954349683 is an apocalyptic number.

1954349683 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1954349683 is a deficient number, since it is larger than the sum of its proper divisors (343277453).

1954349683 is a wasteful number, since it uses less digits than its factorization.

1954349683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594.

The product of its digits is 2799360, while the sum is 52.

The square root of 1954349683 is about 44208.0273592930. The cubic root of 1954349683 is about 1250.2612111179.

The spelling of 1954349683 in words is "one billion, nine hundred fifty-four million, three hundred forty-nine thousand, six hundred eighty-three".