690767321842 has 16 divisors (see below), whose sum is σ = 1123882643520. Its totient is φ = 316522047312.

The previous prime is 690767321767. The next prime is 690767321843. The reversal of 690767321842 is 248123767096.

690767321842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (690767321843) 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, 95564638 + ... + 95571865.

It is an arithmetic number, because the mean of its divisors is an integer number (70242665220).

Almost surely, 2^690767321842 is an apocalyptic number.

690767321842 is a deficient number, since it is larger than the sum of its proper divisors (433115321678).

690767321842 is a wasteful number, since it uses less digits than its factorization.

690767321842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191136657.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 690767321842 in words is "six hundred ninety billion, seven hundred sixty-seven million, three hundred twenty-one thousand, eight hundred forty-two".