690677202050 has 72 divisors (see below), whose sum is σ = 1414476686448. Its totient is φ = 250726194400.

The previous prime is 690677202023. The next prime is 690677202113. The reversal of 690677202050 is 50202776096.

It is a junction number, because it is equal to n+sod(n) for n = 690677201992 and 690677202010.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3454109 + ... + 3648591.

It is an arithmetic number, because the mean of its divisors is an integer number (19645509534).

Almost surely, 2^690677202050 is an apocalyptic number.

690677202050 is an abundant number, since it is smaller than the sum of its proper divisors (723799484398).

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

690677202050 is a wasteful number, since it uses less digits than its factorization.

690677202050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195104 (or 195088 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 690677202050 in words is "six hundred ninety billion, six hundred seventy-seven million, two hundred two thousand, fifty".