1902473085 has 32 divisors (see below), whose sum is σ = 3077584128. Its totient is φ = 1003484160.

The previous prime is 1902473071. The next prime is 1902473093. The reversal of 1902473085 is 5803742091.

It is not a de Polignac number, because 1902473085 - 2²¹ = 1900375933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038120 + ... + 1039950.

It is an arithmetic number, because the mean of its divisors is an integer number (96174504).

Almost surely, 2^1902473085 is an apocalyptic number.

1902473085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1902473085 is a deficient number, since it is larger than the sum of its proper divisors (1175111043).

1902473085 is a wasteful number, since it uses less digits than its factorization.

1902473085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 1902473085 is about 43617.3484407294. The cubic root of 1902473085 is about 1239.0994773304.

The spelling of 1902473085 in words is "one billion, nine hundred two million, four hundred seventy-three thousand, eighty-five".