2061451835799 has 16 divisors (see below), whose sum is σ = 2750459603424. Its totient is φ = 1373372812800.

The previous prime is 2061451835783. The next prime is 2061451835803. The reversal of 2061451835799 is 9975381541602.

It is a happy number.

It is not a de Polignac number, because 2061451835799 - 2⁴ = 2061451835783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061451835759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93381427 + ... + 93403499.

It is an arithmetic number, because the mean of its divisors is an integer number (171903725214).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2061451835799 = 4122903671598, but 3⋅2061451835799 = 6184355507397 is not.

Almost surely, 2^{2061451835799} is an apocalyptic number.

2061451835799 is a deficient number, since it is larger than the sum of its proper divisors (689007767625).

2061451835799 is a wasteful number, since it uses less digits than its factorization.

2061451835799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41698.

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 2061451835799 in words is "two trillion, sixty-one billion, four hundred fifty-one million, eight hundred thirty-five thousand, seven hundred ninety-nine".