2697189402 has 16 divisors (see below), whose sum is σ = 5462663040. Its totient is φ = 887682432.

The previous prime is 2697189401. The next prime is 2697189409. The reversal of 2697189402 is 2049817962.

It is a super-2 number, since 2×2697189402² = 14549661340522235208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2697189401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2844663 + ... + 2845610.

It is an arithmetic number, because the mean of its divisors is an integer number (341416440).

Almost surely, 2^2697189402 is an apocalyptic number.

2697189402 is an abundant number, since it is smaller than the sum of its proper divisors (2765473638).

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

2697189402 is a wasteful number, since it uses less digits than its factorization.

2697189402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690357.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 2697189402 is about 51934.4721933322. The cubic root of 2697189402 is about 1391.9933104696.

The spelling of 2697189402 in words is "two billion, six hundred ninety-seven million, one hundred eighty-nine thousand, four hundred two".