7242639537701 has 2 divisors, whose sum is σ = 7242639537702. Its totient is φ = 7242639537700.

The previous prime is 7242639537689. The next prime is 7242639537803. The reversal of 7242639537701 is 1077359362427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6936112322500 + 306527215201 = 2633650^2 + 553649^2 .

It is a cyclic number.

It is not a de Polignac number, because 7242639537701 - 2²⁶ = 7242572428837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7242639567701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621319768850 + 3621319768851.

It is an arithmetic number, because the mean of its divisors is an integer number (3621319768851).

Almost surely, 2^{7242639537701} is an apocalyptic number.

It is an amenable number.

7242639537701 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242639537701 is an equidigital number, since it uses as much as digits as its factorization.

7242639537701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 56.

The spelling of 7242639537701 in words is "seven trillion, two hundred forty-two billion, six hundred thirty-nine million, five hundred thirty-seven thousand, seven hundred one".