1368631698 has 32 divisors (see below), whose sum is σ = 3264316416. Its totient is φ = 374035728.

The previous prime is 1368631697. The next prime is 1368631727. The reversal of 1368631698 is 8961368631.

It is a self number, because there is not a number n which added to its sum of digits gives 1368631698.

It is not an unprimeable number, because it can be changed into a prime (1368631697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707436 + ... + 709367.

It is an arithmetic number, because the mean of its divisors is an integer number (102009888).

Almost surely, 2^1368631698 is an apocalyptic number.

1368631698 is an abundant number, since it is smaller than the sum of its proper divisors (1895684718).

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

1368631698 is a wasteful number, since it uses less digits than its factorization.

1368631698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416838.

The product of its digits is 1119744, while the sum is 51.

The square root of 1368631698 is about 36995.0226111568. The cubic root of 1368631698 is about 1110.2706636443.

The spelling of 1368631698 in words is "one billion, three hundred sixty-eight million, six hundred thirty-one thousand, six hundred ninety-eight".