2134454352644 has 6 divisors (see below), whose sum is σ = 3735295117134. Its totient is φ = 1067227176320.

The previous prime is 2134454352637. The next prime is 2134454352661. The reversal of 2134454352644 is 4462534544312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2070323855044 + 64130497600 = 1438862^2 + 253240^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266806794077 + ... + 266806794084.

It is an arithmetic number, because the mean of its divisors is an integer number (622549186189).

Almost surely, 2^{2134454352644} is an apocalyptic number.

It is an amenable number.

2134454352644 is a deficient number, since it is larger than the sum of its proper divisors (1600840764490).

2134454352644 is a wasteful number, since it uses less digits than its factorization.

2134454352644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533613588165 (or 533613588163 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 47.

Adding to 2134454352644 its reverse (4462534544312), we get a palindrome (6596988896956).

The spelling of 2134454352644 in words is "two trillion, one hundred thirty-four billion, four hundred fifty-four million, three hundred fifty-two thousand, six hundred forty-four".