1353826619550 has 96 divisors (see below), whose sum is σ = 3730797999360. Its totient is φ = 360995896800.

The previous prime is 1353826619513. The next prime is 1353826619591. The reversal of 1353826619550 is 559166283531.

1353826619550 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 8 + 26 + 61 + 9 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28989519 + ... + 29036181.

It is an arithmetic number, because the mean of its divisors is an integer number (38862479160).

Almost surely, 2^{1353826619550} is an apocalyptic number.

1353826619550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353826619550 is an abundant number, since it is smaller than the sum of its proper divisors (2376971379810).

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

1353826619550 is a wasteful number, since it uses less digits than its factorization.

1353826619550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68175 (or 68164 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 1353826619550 in words is "one trillion, three hundred fifty-three billion, eight hundred twenty-six million, six hundred nineteen thousand, five hundred fifty".