2003261278298 has 64 divisors (see below), whose sum is σ = 3644812394496. Its totient is φ = 807588144000.

The previous prime is 2003261278243. The next prime is 2003261278303. The reversal of 2003261278298 is 8928721623002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4614461 + ... + 5029887.

It is an arithmetic number, because the mean of its divisors is an integer number (56950193664).

Almost surely, 2^{2003261278298} is an apocalyptic number.

2003261278298 is a deficient number, since it is larger than the sum of its proper divisors (1641551116198).

2003261278298 is a wasteful number, since it uses less digits than its factorization.

2003261278298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415779.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 2003261278298 in words is "two trillion, three billion, two hundred sixty-one million, two hundred seventy-eight thousand, two hundred ninety-eight".