2091403008 has 54 divisors (see below), whose sum is σ = 6030037104. Its totient is φ = 697133568.

The previous prime is 2091403007. The next prime is 2091403009. The reversal of 2091403008 is 8003041902.

It is an interprime number because it is at equal distance from previous prime (2091403007) and next prime (2091403009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091403007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451560 + ... + 456167.

Almost surely, 2^2091403008 is an apocalyptic number.

It is an amenable number.

2091403008 is an abundant number, since it is smaller than the sum of its proper divisors (3938634096).

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

2091403008 is an equidigital number, since it uses as much as digits as its factorization.

2091403008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907749 (or 907732 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2091403008 is about 45731.8598790821. The cubic root of 2091403008 is about 1278.8292941659.

The spelling of 2091403008 in words is "two billion, ninety-one million, four hundred three thousand, eight".