7642214453 has 2 divisors, whose sum is σ = 7642214454. Its totient is φ = 7642214452.

The previous prime is 7642214423. The next prime is 7642214477. The reversal of 7642214453 is 3544122467.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7269608644 + 372605809 = 85262^2 + 19303^2 .

It is a cyclic number.

It is not a de Polignac number, because 7642214453 - 2²⁰ = 7641165877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7642214423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3821107226 + 3821107227.

It is an arithmetic number, because the mean of its divisors is an integer number (3821107227).

Almost surely, 2^7642214453 is an apocalyptic number.

It is an amenable number.

7642214453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7642214453 is an equidigital number, since it uses as much as digits as its factorization.

7642214453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 38.

The square root of 7642214453 is about 87419.7600831757. The cubic root of 7642214453 is about 1969.7286727249.

The spelling of 7642214453 in words is "seven billion, six hundred forty-two million, two hundred fourteen thousand, four hundred fifty-three".