1363777828690 has 8 divisors (see below), whose sum is σ = 2454800091660. Its totient is φ = 545511131472.

The previous prime is 1363777828681. The next prime is 1363777828697. The reversal of 1363777828690 is 968287773631.

It can be written as a sum of positive squares in 2 ways, for example, as 1149031781041 + 214746047649 = 1071929^2 + 463407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1363777828690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1363777828697) 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, 68188891425 + ... + 68188891444.

Almost surely, 2^{1363777828690} is an apocalyptic number.

1363777828690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1363777828690 is a deficient number, since it is larger than the sum of its proper divisors (1091022262970).

1363777828690 is a wasteful number, since it uses less digits than its factorization.

1363777828690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136377782876.

The product of its (nonzero) digits is 128024064, while the sum is 67.

The spelling of 1363777828690 in words is "one trillion, three hundred sixty-three billion, seven hundred seventy-seven million, eight hundred twenty-eight thousand, six hundred ninety".