2102796454 has 16 divisors (see below), whose sum is σ = 3444607296. Its totient is φ = 954797800.

The previous prime is 2102796431. The next prime is 2102796457. The reversal of 2102796454 is 4546972012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102796457) 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, 29632 + ... + 71299.

It is an arithmetic number, because the mean of its divisors is an integer number (215287956).

Almost surely, 2^2102796454 is an apocalyptic number.

2102796454 is a deficient number, since it is larger than the sum of its proper divisors (1341810842).

2102796454 is a wasteful number, since it uses less digits than its factorization.

2102796454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101891.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2102796454 is about 45856.2586131926. The cubic root of 2102796454 is about 1281.1473383728.

The spelling of 2102796454 in words is "two billion, one hundred two million, seven hundred ninety-six thousand, four hundred fifty-four".