1620969437113 has 8 divisors (see below), whose sum is σ = 1747627455168. Its totient is φ = 1494592570704.

The previous prime is 1620969437083. The next prime is 1620969437161. The reversal of 1620969437113 is 3117349690261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1620969437113 - 2¹⁷ = 1620969306041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1620969437413) 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, 70275931 + ... + 70298992.

It is an arithmetic number, because the mean of its divisors is an integer number (218453431896).

Almost surely, 2^{1620969437113} is an apocalyptic number.

1620969437113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1620969437113 is a deficient number, since it is larger than the sum of its proper divisors (126658018055).

1620969437113 is a wasteful number, since it uses less digits than its factorization.

1620969437113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140575823.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 1620969437113 in words is "one trillion, six hundred twenty billion, nine hundred sixty-nine million, four hundred thirty-seven thousand, one hundred thirteen".