1954214899 has 16 divisors (see below), whose sum is σ = 2413718272. Its totient is φ = 1540708128.

The previous prime is 1954214897. The next prime is 1954214917. The reversal of 1954214899 is 9984124591.

It is a cyclic number.

It is not a de Polignac number, because 1954214899 - 2¹ = 1954214897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1954214897) 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, 12189 + ... + 63694.

It is an arithmetic number, because the mean of its divisors is an integer number (150857392).

Almost surely, 2^1954214899 is an apocalyptic number.

1954214899 is a deficient number, since it is larger than the sum of its proper divisors (459503373).

1954214899 is a wasteful number, since it uses less digits than its factorization.

1954214899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76186.

The product of its digits is 933120, while the sum is 52.

The square root of 1954214899 is about 44206.5029039846. The cubic root of 1954214899 is about 1250.2324685507.

The spelling of 1954214899 in words is "one billion, nine hundred fifty-four million, two hundred fourteen thousand, eight hundred ninety-nine".