2691420494 has 32 divisors (see below), whose sum is σ = 4648444416. Its totient is φ = 1144856160.

The previous prime is 2691420481. The next prime is 2691420533. The reversal of 2691420494 is 4940241962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129184 + ... + 1131564.

It is an arithmetic number, because the mean of its divisors is an integer number (145263888).

Almost surely, 2^2691420494 is an apocalyptic number.

2691420494 is a deficient number, since it is larger than the sum of its proper divisors (1957023922).

2691420494 is a wasteful number, since it uses less digits than its factorization.

2691420494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2960.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 2691420494 is about 51878.9022050390. The cubic root of 2691420494 is about 1391.0001762382. Note that the first 3 decimals are identical.

The spelling of 2691420494 in words is "two billion, six hundred ninety-one million, four hundred twenty thousand, four hundred ninety-four".