2061958634 has 16 divisors (see below), whose sum is σ = 3215673216. Its totient is φ = 990818400.

The previous prime is 2061958631. The next prime is 2061958649. The reversal of 2061958634 is 4368591602.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2061958631) 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, 182162 + ... + 193149.

It is an arithmetic number, because the mean of its divisors is an integer number (200979576).

Almost surely, 2^2061958634 is an apocalyptic number.

2061958634 is a deficient number, since it is larger than the sum of its proper divisors (1153714582).

2061958634 is a wasteful number, since it uses less digits than its factorization.

2061958634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375421.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 2061958634 is about 45408.7946768024. The cubic root of 2061958634 is about 1272.7994612508.

The spelling of 2061958634 in words is "two billion, sixty-one million, nine hundred fifty-eight thousand, six hundred thirty-four".