2156435103 has 4 divisors (see below), whose sum is σ = 2875246808. Its totient is φ = 1437623400.

The previous prime is 2156435101. The next prime is 2156435107. The reversal of 2156435103 is 3015346512.

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

It is not a de Polignac number, because 2156435103 - 2¹ = 2156435101 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 (2156435101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359405848 + ... + 359405853.

It is an arithmetic number, because the mean of its divisors is an integer number (718811702).

Almost surely, 2^2156435103 is an apocalyptic number.

2156435103 is a deficient number, since it is larger than the sum of its proper divisors (718811705).

2156435103 is an equidigital number, since it uses as much as digits as its factorization.

2156435103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718811704.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2156435103 is about 46437.4321318481. The cubic root of 2156435103 is about 1291.9492800478.

The spelling of 2156435103 in words is "two billion, one hundred fifty-six million, four hundred thirty-five thousand, one hundred three".