2119687503654 has 96 divisors (see below), whose sum is σ = 4970047420800. Its totient is φ = 600898677120.

The previous prime is 2119687503653. The next prime is 2119687503701. The reversal of 2119687503654 is 4563057869112.

It is a super-2 number, since 2×2119687503654² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2119687503594 and 2119687503603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119687503653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70315317 + ... + 70345455.

It is an arithmetic number, because the mean of its divisors is an integer number (51771327300).

It is a 1-persistent number, because it is pandigital, but 2⋅2119687503654 = 4239375007308 is not.

Almost surely, 2^{2119687503654} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2119687503654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2485023710400).

2119687503654 is an abundant number, since it is smaller than the sum of its proper divisors (2850359917146).

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

2119687503654 is a wasteful number, since it uses less digits than its factorization.

2119687503654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32018 (or 32011 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 2119687503654 in words is "two trillion, one hundred nineteen billion, six hundred eighty-seven million, five hundred three thousand, six hundred fifty-four".