7152761491 has 2 divisors, whose sum is σ = 7152761492. Its totient is φ = 7152761490.

The previous prime is 7152761461. The next prime is 7152761557. The reversal of 7152761491 is 1941672517.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7152761491 - 2²⁹ = 6615890579 is a prime.

It is not a weakly prime, because it can be changed into another prime (7152761401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3576380745 + 3576380746.

It is an arithmetic number, because the mean of its divisors is an integer number (3576380746).

Almost surely, 2^7152761491 is an apocalyptic number.

7152761491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7152761491 is an equidigital number, since it uses as much as digits as its factorization.

7152761491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 43.

The square root of 7152761491 is about 84574.0000886797. Note that the first 4 decimals coincide. The cubic root of 7152761491 is about 1926.7465110640.

The spelling of 7152761491 in words is "seven billion, one hundred fifty-two million, seven hundred sixty-one thousand, four hundred ninety-one".