1899262494 has 24 divisors (see below), whose sum is σ = 4116336120. Its totient is φ = 632892528.

The previous prime is 1899262489. The next prime is 1899262507. The reversal of 1899262494 is 4942629981.

1899262494 is a `hidden beast` number, since 1 + 8 + 9 + 9 + 2 + 624 + 9 + 4 = 666.

It is a super-2 number, since 2×1899262494² = 7214396042230200072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1899262494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51444 + ... + 80280.

It is an arithmetic number, because the mean of its divisors is an integer number (171514005).

Almost surely, 2^1899262494 is an apocalyptic number.

1899262494 is an abundant number, since it is smaller than the sum of its proper divisors (2217073626).

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

1899262494 is a wasteful number, since it uses less digits than its factorization.

1899262494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32504 (or 32501 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 1899262494 is about 43580.5288402975. The cubic root of 1899262494 is about 1238.4020550051.

The spelling of 1899262494 in words is "one billion, eight hundred ninety-nine million, two hundred sixty-two thousand, four hundred ninety-four".