1621463321362 has 16 divisors (see below), whose sum is σ = 2488853439072. Its totient is φ = 791846959680.

The previous prime is 1621463321353. The next prime is 1621463321393. The reversal of 1621463321362 is 2631233641261.

It is a super-3 number, since 3×1621463321362³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971562 + ... + 2670202.

It is an arithmetic number, because the mean of its divisors is an integer number (155553339942).

Almost surely, 2^{1621463321362} is an apocalyptic number.

1621463321362 is a deficient number, since it is larger than the sum of its proper divisors (867390117710).

1621463321362 is a wasteful number, since it uses less digits than its factorization.

1621463321362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725673.

The product of its digits is 186624, while the sum is 40.

The spelling of 1621463321362 in words is "one trillion, six hundred twenty-one billion, four hundred sixty-three million, three hundred twenty-one thousand, three hundred sixty-two".