1902243034 has 8 divisors (see below), whose sum is σ = 2907201780. Its totient is φ = 933175776.

The previous prime is 1902242921. The next prime is 1902243061. The reversal of 1902243034 is 4303422091.

It can be written as a sum of positive squares in 2 ways, for example, as 1878962409 + 23280625 = 43347^2 + 4825^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1902242993 and 1902243011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8972739 + ... + 8972950.

Almost surely, 2^1902243034 is an apocalyptic number.

1902243034 is a deficient number, since it is larger than the sum of its proper divisors (1004958746).

1902243034 is a wasteful number, since it uses less digits than its factorization.

1902243034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17945744.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1902243034 is about 43614.7112107830. The cubic root of 1902243034 is about 1239.0495304889.

The spelling of 1902243034 in words is "one billion, nine hundred two million, two hundred forty-three thousand, thirty-four".