2134605251644 has 24 divisors (see below), whose sum is σ = 3875438336000. Its totient is φ = 1027683177840.

The previous prime is 2134605251567. The next prime is 2134605251741. The reversal of 2134605251644 is 4461525064312.

It is a super-2 number, since 2×2134605251644² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2134605251644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43227984 + ... + 43277335.

Almost surely, 2^{2134605251644} is an apocalyptic number.

It is an amenable number.

2134605251644 is a deficient number, since it is larger than the sum of its proper divisors (1740833084356).

2134605251644 is a wasteful number, since it uses less digits than its factorization.

2134605251644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86505553 (or 86505551 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 2134605251644 in words is "two trillion, one hundred thirty-four billion, six hundred five million, two hundred fifty-one thousand, six hundred forty-four".