2698123406 has 16 divisors (see below), whose sum is σ = 4420597680. Its totient is φ = 1224895680.

The previous prime is 2698123381. The next prime is 2698123411. The reversal of 2698123406 is 6043218962.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58001 + ... + 93596.

It is an arithmetic number, because the mean of its divisors is an integer number (276287355).

Almost surely, 2^2698123406 is an apocalyptic number.

2698123406 is a deficient number, since it is larger than the sum of its proper divisors (1722474274).

2698123406 is a wasteful number, since it uses less digits than its factorization.

2698123406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152419.

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

The square root of 2698123406 is about 51943.4635541374. The cubic root of 2698123406 is about 1392.1539687305.

The spelling of 2698123406 in words is "two billion, six hundred ninety-eight million, one hundred twenty-three thousand, four hundred six".