1801619063990 has 32 divisors (see below), whose sum is σ = 3436561870560. Its totient is φ = 678827027200.

The previous prime is 1801619063987. The next prime is 1801619064053. The reversal of 1801619063990 is 993609161081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75750056 + ... + 75773835.

It is an arithmetic number, because the mean of its divisors is an integer number (107392558455).

Almost surely, 2^{1801619063990} is an apocalyptic number.

1801619063990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1801619063990 is a deficient number, since it is larger than the sum of its proper divisors (1634942806570).

1801619063990 is a wasteful number, since it uses less digits than its factorization.

1801619063990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151523968.

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 1801619063990 in words is "one trillion, eight hundred one billion, six hundred nineteen million, sixty-three thousand, nine hundred ninety".