1902887143046 has 8 divisors (see below), whose sum is σ = 2867130404544. Its totient is φ = 947177008200.

The previous prime is 1902887143021. The next prime is 1902887143049. The reversal of 1902887143046 is 6403417882091.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902887143049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133281105 + ... + 2133281996.

It is an arithmetic number, because the mean of its divisors is an integer number (358391300568).

Almost surely, 2^{1902887143046} is an apocalyptic number.

1902887143046 is a deficient number, since it is larger than the sum of its proper divisors (964243261498).

1902887143046 is a wasteful number, since it uses less digits than its factorization.

1902887143046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4266563326.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 1902887143046 in words is "one trillion, nine hundred two billion, eight hundred eighty-seven million, one hundred forty-three thousand, forty-six".