1954450799 has 12 divisors (see below), whose sum is σ = 2274676200. Its totient is φ = 1674409968.

The previous prime is 1954450787. The next prime is 1954450801. The reversal of 1954450799 is 9970544591.

It is a de Polignac number, because none of the positive numbers 2^k-1954450799 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 1954450799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954450759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102392 + ... + 119970.

It is an arithmetic number, because the mean of its divisors is an integer number (189556350).

Almost surely, 2^1954450799 is an apocalyptic number.

1954450799 is a deficient number, since it is larger than the sum of its proper divisors (320225401).

1954450799 is a wasteful number, since it uses less digits than its factorization.

1954450799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19862 (or 19855 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 1954450799 is about 44209.1709829533. The cubic root of 1954450799 is about 1250.2827731467.

The spelling of 1954450799 in words is "one billion, nine hundred fifty-four million, four hundred fifty thousand, seven hundred ninety-nine".