683388950574 has 16 divisors (see below), whose sum is σ = 1491030437760. Its totient is φ = 207087560760.

The previous prime is 683388950537. The next prime is 683388950581. The reversal of 683388950574 is 475059883386.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 10354378039 = 683388950574 / (6 + 8 + 3 + 3 + 8 + 8 + 9 + 5 + 0 + 5 + 7 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5177188954 + ... + 5177189085.

It is an arithmetic number, because the mean of its divisors is an integer number (93189402360).

Almost surely, 2^683388950574 is an apocalyptic number.

683388950574 is an abundant number, since it is smaller than the sum of its proper divisors (807641487186).

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

683388950574 is a wasteful number, since it uses less digits than its factorization.

683388950574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10354378055.

The product of its (nonzero) digits is 174182400, while the sum is 66.

The spelling of 683388950574 in words is "six hundred eighty-three billion, three hundred eighty-eight million, nine hundred fifty thousand, five hundred seventy-four".