1954338693 has 8 divisors (see below), whose sum is σ = 2606449056. Its totient is φ = 1302560400.

The previous prime is 1954338653. The next prime is 1954338703. The reversal of 1954338693 is 3968334591.

It is a happy number.

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

It is not a de Polignac number, because 1954338693 - 2⁹ = 1954338181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954338643) 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, 68943 + ... + 93068.

It is an arithmetic number, because the mean of its divisors is an integer number (325806132).

Almost surely, 2^1954338693 is an apocalyptic number.

It is an amenable number.

1954338693 is a deficient number, since it is larger than the sum of its proper divisors (652110363).

1954338693 is a wasteful number, since it uses less digits than its factorization.

1954338693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166035.

The product of its digits is 2099520, while the sum is 51.

The square root of 1954338693 is about 44207.9030604257. The cubic root of 1954338693 is about 1250.2588675597.

The spelling of 1954338693 in words is "one billion, nine hundred fifty-four million, three hundred thirty-eight thousand, six hundred ninety-three".