7034478007021 has 2 divisors, whose sum is σ = 7034478007022. Its totient is φ = 7034478007020.

The previous prime is 7034478007003. The next prime is 7034478007097. The reversal of 7034478007021 is 1207008744307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6455227629796 + 579250377225 = 2540714^2 + 761085^2 .

It is a cyclic number.

It is not a de Polignac number, because 7034478007021 - 2²³ = 7034469618413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7034778007021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3517239003510 + 3517239003511.

It is an arithmetic number, because the mean of its divisors is an integer number (3517239003511).

Almost surely, 2^{7034478007021} is an apocalyptic number.

It is an amenable number.

7034478007021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7034478007021 is an equidigital number, since it uses as much as digits as its factorization.

7034478007021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 43.

The spelling of 7034478007021 in words is "seven trillion, thirty-four billion, four hundred seventy-eight million, seven thousand, twenty-one".