7473206491 has 2 divisors, whose sum is σ = 7473206492. Its totient is φ = 7473206490.

The previous prime is 7473206479. The next prime is 7473206567. The reversal of 7473206491 is 1946023747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7473206491 - 2¹⁵ = 7473173723 is a prime.

It is not a weakly prime, because it can be changed into another prime (7473206401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3736603245 + 3736603246.

It is an arithmetic number, because the mean of its divisors is an integer number (3736603246).

Almost surely, 2^7473206491 is an apocalyptic number.

7473206491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7473206491 is an equidigital number, since it uses as much as digits as its factorization.

7473206491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 7473206491 is about 86447.7095763676. The cubic root of 7473206491 is about 1955.1000828315.

The spelling of 7473206491 in words is "seven billion, four hundred seventy-three million, two hundred six thousand, four hundred ninety-one".