1914501464064 has 864 divisors, whose sum is σ = 6790854260736. Its totient is φ = 527444213760.

The previous prime is 1914501464053. The next prime is 1914501464087. The reversal of 1914501464064 is 4604641054191.

1914501464064 is a `hidden beast` number, since 1 + 9 + 1 + 4 + 501 + 46 + 40 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

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, 6911557494 + ... + 6911557770.

It is an arithmetic number, because the mean of its divisors is an integer number (7859785024).

Almost surely, 2^{1914501464064} is an apocalyptic number.

1914501464064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914501464064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3395427130368).

1914501464064 is an abundant number, since it is smaller than the sum of its proper divisors (4876352796672).

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

1914501464064 is an frugal number, since it uses more digits than its factorization.

1914501464064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1914501464064 in words is "one trillion, nine hundred fourteen billion, five hundred one million, four hundred sixty-four thousand, sixty-four".