1899957054 has 8 divisors (see below), whose sum is σ = 3799914120. Its totient is φ = 633319016.

The previous prime is 1899957023. The next prime is 1899957061. The reversal of 1899957054 is 4507599981.

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

1899957054 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1899956985 and 1899957003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158329749 + ... + 158329760.

It is an arithmetic number, because the mean of its divisors is an integer number (474989265).

Almost surely, 2^1899957054 is an apocalyptic number.

1899957054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1899957054 is a wasteful number, since it uses less digits than its factorization.

1899957054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316659514.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The square root of 1899957054 is about 43588.4968082176. The cubic root of 1899957054 is about 1238.5529977532.

The spelling of 1899957054 in words is "one billion, eight hundred ninety-nine million, nine hundred fifty-seven thousand, fifty-four".