7462840661 has 2 divisors, whose sum is σ = 7462840662. Its totient is φ = 7462840660.

The previous prime is 7462840633. The next prime is 7462840667. The reversal of 7462840661 is 1660482647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4923688561 + 2539152100 = 70169^2 + 50390^2 .

It is a cyclic number.

It is not a de Polignac number, because 7462840661 - 2¹⁸ = 7462578517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7462840667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3731420330 + 3731420331.

It is an arithmetic number, because the mean of its divisors is an integer number (3731420331).

Almost surely, 2^7462840661 is an apocalyptic number.

It is an amenable number.

7462840661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7462840661 is an equidigital number, since it uses as much as digits as its factorization.

7462840661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 7462840661 is about 86387.7344360876. The cubic root of 7462840661 is about 1954.1957136675.

The spelling of 7462840661 in words is "seven billion, four hundred sixty-two million, eight hundred forty thousand, six hundred sixty-one".