2981101457 has 2 divisors, whose sum is σ = 2981101458. Its totient is φ = 2981101456.

The previous prime is 2981101439. The next prime is 2981101481. The reversal of 2981101457 is 7541011892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1853216401 + 1127885056 = 43049^2 + 33584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2981101457 - 2⁶ = 2981101393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2981101457.

It is not a weakly prime, because it can be changed into another prime (2981191457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490550728 + 1490550729.

It is an arithmetic number, because the mean of its divisors is an integer number (1490550729).

Almost surely, 2^2981101457 is an apocalyptic number.

It is an amenable number.

2981101457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2981101457 is an equidigital number, since it uses as much as digits as its factorization.

2981101457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 2981101457 is about 54599.4638893094. The cubic root of 2981101457 is about 1439.2146980041.

The spelling of 2981101457 in words is "two billion, nine hundred eighty-one million, one hundred one thousand, four hundred fifty-seven".