2061438698 has 16 divisors (see below), whose sum is σ = 3376235520. Its totient is φ = 936192000.

The previous prime is 2061438679. The next prime is 2061438739. The reversal of 2061438698 is 8968341602.

It is a super-2 number, since 2×2061438698² = 8499059011223870408, which contains 22 as substring.

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, 15383 + ... + 66026.

It is an arithmetic number, because the mean of its divisors is an integer number (211014720).

Almost surely, 2^2061438698 is an apocalyptic number.

2061438698 is a deficient number, since it is larger than the sum of its proper divisors (1314796822).

2061438698 is a wasteful number, since it uses less digits than its factorization.

2061438698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82573.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2061438698 is about 45403.0692574852. The cubic root of 2061438698 is about 1272.6924707611.

The spelling of 2061438698 in words is "two billion, sixty-one million, four hundred thirty-eight thousand, six hundred ninety-eight".