1621469342796 has 24 divisors (see below), whose sum is σ = 3845451885744. Its totient is φ = 531629292480.

The previous prime is 1621469342761. The next prime is 1621469342797. The reversal of 1621469342796 is 6972439641261.

It is not an unprimeable number, because it can be changed into a prime (1621469342797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1107560295 + ... + 1107561758.

It is an arithmetic number, because the mean of its divisors is an integer number (160227161906).

Almost surely, 2^{1621469342796} is an apocalyptic number.

It is an amenable number.

1621469342796 is an abundant number, since it is smaller than the sum of its proper divisors (2223982542948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1621469342796 is a wasteful number, since it uses less digits than its factorization.

1621469342796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215122121 (or 2215122119 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 60.

The spelling of 1621469342796 in words is "one trillion, six hundred twenty-one billion, four hundred sixty-nine million, three hundred forty-two thousand, seven hundred ninety-six".