690929481292 has 12 divisors (see below), whose sum is σ = 1209804746416. Its totient is φ = 345270982320.

The previous prime is 690929481289. The next prime is 690929481293. The reversal of 690929481292 is 292184929096.

690929481292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 690929481292.

It is not an unprimeable number, because it can be changed into a prime (690929481293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48431559 + ... + 48445822.

Almost surely, 2^690929481292 is an apocalyptic number.

It is an amenable number.

690929481292 is a deficient number, since it is larger than the sum of its proper divisors (518875265124).

690929481292 is a wasteful number, since it uses less digits than its factorization.

690929481292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96879168 (or 96879166 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 690929481292 in words is "six hundred ninety billion, nine hundred twenty-nine million, four hundred eighty-one thousand, two hundred ninety-two".