1613063454450 has 384 divisors, whose sum is σ = 4961382451200. Its totient is φ = 338652887040.

The previous prime is 1613063454437. The next prime is 1613063454517. The reversal of 1613063454450 is 544543603161.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85915264 + ... + 85934036.

It is an arithmetic number, because the mean of its divisors is an integer number (12920266800).

Almost surely, 2^{1613063454450} is an apocalyptic number.

1613063454450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613063454450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2480691225600).

1613063454450 is an abundant number, since it is smaller than the sum of its proper divisors (3348318996750).

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

1613063454450 is a wasteful number, since it uses less digits than its factorization.

1613063454450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18946 (or 18941 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1613063454450 in words is "one trillion, six hundred thirteen billion, sixty-three million, four hundred fifty-four thousand, four hundred fifty".