2151746413 has 2 divisors, whose sum is σ = 2151746414. Its totient is φ = 2151746412.

The previous prime is 2151746411. The next prime is 2151746419. The reversal of 2151746413 is 3146471512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1587066244 + 564680169 = 39838^2 + 23763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2151746413 - 2¹ = 2151746411 is a prime.

Together with 2151746411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2151746411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075873206 + 1075873207.

It is an arithmetic number, because the mean of its divisors is an integer number (1075873207).

Almost surely, 2^2151746413 is an apocalyptic number.

It is an amenable number.

2151746413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151746413 is an equidigital number, since it uses as much as digits as its factorization.

2151746413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 2151746413 is about 46386.9207104761. The cubic root of 2151746413 is about 1291.0122481785.

The spelling of 2151746413 in words is "two billion, one hundred fifty-one million, seven hundred forty-six thousand, four hundred thirteen".