690546794135 has 128 divisors (see below), whose sum is σ = 1013292177408. Its totient is φ = 445978624000.

The previous prime is 690546794131. The next prime is 690546794137. The reversal of 690546794135 is 531497645096.

It is not a de Polignac number, because 690546794135 - 2² = 690546794131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690546794131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 144252212 + ... + 144256998.

It is an arithmetic number, because the mean of its divisors is an integer number (7916345136).

Almost surely, 2^690546794135 is an apocalyptic number.

690546794135 is a deficient number, since it is larger than the sum of its proper divisors (322745383273).

690546794135 is a wasteful number, since it uses less digits than its factorization.

690546794135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 690546794135 in words is "six hundred ninety billion, five hundred forty-six million, seven hundred ninety-four thousand, one hundred thirty-five".