1461989223536 has 20 divisors (see below), whose sum is σ = 2832646861200. Its totient is φ = 730983581952.

The previous prime is 1461989223533. The next prime is 1461989223553. The reversal of 1461989223536 is 6353229891641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461989223533) 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, 462485 + ... + 1771403.

It is an arithmetic number, because the mean of its divisors is an integer number (141632343060).

Almost surely, 2^{1461989223536} is an apocalyptic number.

1461989223536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1461989223536 is a deficient number, since it is larger than the sum of its proper divisors (1370657637664).

1461989223536 is a wasteful number, since it uses less digits than its factorization.

1461989223536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378736 (or 1378730 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The spelling of 1461989223536 in words is "one trillion, four hundred sixty-one billion, nine hundred eighty-nine million, two hundred twenty-three thousand, five hundred thirty-six".