1954478314 has 12 divisors (see below), whose sum is σ = 3064727106. Its totient is φ = 934749992.

The previous prime is 1954478303. The next prime is 1954478333. The reversal of 1954478314 is 4138744591.

It can be written as a sum of positive squares in only one way, i.e., 1867709089 + 86769225 = 43217^2 + 9315^2 .

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922609 + ... + 924724.

Almost surely, 2^1954478314 is an apocalyptic number.

1954478314 is a deficient number, since it is larger than the sum of its proper divisors (1110248792).

1954478314 is a wasteful number, since it uses less digits than its factorization.

1954478314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847381 (or 1847358 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 1954478314 is about 44209.4821729457. The cubic root of 1954478314 is about 1250.2886403309.

The spelling of 1954478314 in words is "one billion, nine hundred fifty-four million, four hundred seventy-eight thousand, three hundred fourteen".