7238799643 has 2 divisors, whose sum is σ = 7238799644. Its totient is φ = 7238799642.

The previous prime is 7238799593. The next prime is 7238799653. The reversal of 7238799643 is 3469978327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7238799643 - 2²⁹ = 6701928731 is a prime.

It is not a weakly prime, because it can be changed into another prime (7238799653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619399821 + 3619399822.

It is an arithmetic number, because the mean of its divisors is an integer number (3619399822).

Almost surely, 2^7238799643 is an apocalyptic number.

7238799643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7238799643 is an equidigital number, since it uses as much as digits as its factorization.

7238799643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 58.

The square root of 7238799643 is about 85081.1356470986. The cubic root of 7238799643 is about 1934.4411353574.

The spelling of 7238799643 in words is "seven billion, two hundred thirty-eight million, seven hundred ninety-nine thousand, six hundred forty-three".