2061297402 has 16 divisors (see below), whose sum is σ = 4142135712. Its totient is φ = 683842320.

The previous prime is 2061297391. The next prime is 2061297419. The reversal of 2061297402 is 2047921602.

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, 812833 + ... + 815364.

It is an arithmetic number, because the mean of its divisors is an integer number (258883482).

Almost surely, 2^2061297402 is an apocalyptic number.

2061297402 is an abundant number, since it is smaller than the sum of its proper divisors (2080838310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061297402 is a wasteful number, since it uses less digits than its factorization.

2061297402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628413.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2061297402 is about 45401.5132126673. The cubic root of 2061297402 is about 1272.6633922888.

It can be divided in two parts, 206129 and 7402, that added together give a triangular number (213531 = T₆₅₃).

The spelling of 2061297402 in words is "two billion, sixty-one million, two hundred ninety-seven thousand, four hundred two".