2151619927103 has 4 divisors (see below), whose sum is σ = 2152532793240. Its totient is φ = 2150707060968.

The previous prime is 2151619927097. The next prime is 2151619927117. The reversal of 2151619927103 is 3017299161512.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2151619927103 - 2²⁰ = 2151618878527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151619927153) 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, 456429533 + ... + 456434246.

It is an arithmetic number, because the mean of its divisors is an integer number (538133198310).

Almost surely, 2^{2151619927103} is an apocalyptic number.

2151619927103 is a deficient number, since it is larger than the sum of its proper divisors (912866137).

2151619927103 is an equidigital number, since it uses as much as digits as its factorization.

2151619927103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912866136.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 2151619927103 in words is "two trillion, one hundred fifty-one billion, six hundred nineteen million, nine hundred twenty-seven thousand, one hundred three".