2491490208070 has 16 divisors (see below), whose sum is σ = 4489320119328. Its totient is φ = 995565473280.

The previous prime is 2491490208047. The next prime is 2491490208071. The reversal of 2491490208070 is 708020941942.

It is a self number, because there is not a number n which added to its sum of digits gives 2491490208070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2491490208071) 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, 128816091 + ... + 128835430.

It is an arithmetic number, because the mean of its divisors is an integer number (280582507458).

Almost surely, 2^{2491490208070} is an apocalyptic number.

2491490208070 is a deficient number, since it is larger than the sum of its proper divisors (1997829911258).

2491490208070 is a wasteful number, since it uses less digits than its factorization.

2491490208070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257652495.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 2491490208070 in words is "two trillion, four hundred ninety-one billion, four hundred ninety million, two hundred eight thousand, seventy".