7021611049 has 2 divisors, whose sum is σ = 7021611050. Its totient is φ = 7021611048.

The previous prime is 7021611029. The next prime is 7021611067. The reversal of 7021611049 is 9401161207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4456897600 + 2564713449 = 66760^2 + 50643^2 .

It is a cyclic number.

It is not a de Polignac number, because 7021611049 - 2¹³ = 7021602857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7021611049.

It is not a weakly prime, because it can be changed into another prime (7021611029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510805524 + 3510805525.

It is an arithmetic number, because the mean of its divisors is an integer number (3510805525).

Almost surely, 2^7021611049 is an apocalyptic number.

It is an amenable number.

7021611049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021611049 is an equidigital number, since it uses as much as digits as its factorization.

7021611049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 7021611049 is about 83795.0538456776. The cubic root of 7021611049 is about 1914.8977532004.

The spelling of 7021611049 in words is "seven billion, twenty-one million, six hundred eleven thousand, forty-nine".