2134344021451 has 2 divisors, whose sum is σ = 2134344021452. Its totient is φ = 2134344021450.

The previous prime is 2134344021421. The next prime is 2134344021479. The reversal of 2134344021451 is 1541204434312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2134344021451 - 2³¹ = 2132196537803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134344021421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067172010725 + 1067172010726.

It is an arithmetic number, because the mean of its divisors is an integer number (1067172010726).

Almost surely, 2^{2134344021451} is an apocalyptic number.

2134344021451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134344021451 is an equidigital number, since it uses as much as digits as its factorization.

2134344021451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 2134344021451 its reverse (1541204434312), we get a palindrome (3675548455763).

The spelling of 2134344021451 in words is "two trillion, one hundred thirty-four billion, three hundred forty-four million, twenty-one thousand, four hundred fifty-one".