1902990458912 has 24 divisors (see below), whose sum is σ = 3766127726592. Its totient is φ = 946513576000.

The previous prime is 1902990458891. The next prime is 1902990458933. The reversal of 1902990458912 is 2198540992091.

It is an interprime number because it is at equal distance from previous prime (1902990458891) and next prime (1902990458933).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155670464 + ... + 155682687.

It is an arithmetic number, because the mean of its divisors is an integer number (156921988608).

Almost surely, 2^{1902990458912} is an apocalyptic number.

It is an amenable number.

1902990458912 is a deficient number, since it is larger than the sum of its proper divisors (1863137267680).

1902990458912 is a wasteful number, since it uses less digits than its factorization.

1902990458912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311353352 (or 311353344 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 59.

The spelling of 1902990458912 in words is "one trillion, nine hundred two billion, nine hundred ninety million, four hundred fifty-eight thousand, nine hundred twelve".