7452452661 has 4 divisors (see below), whose sum is σ = 9936603552. Its totient is φ = 4968301772.

The previous prime is 7452452621. The next prime is 7452452671. The reversal of 7452452661 is 1662542547.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1662542547 = 3 ⋅554180849.

It is a cyclic number.

It is not a de Polignac number, because 7452452661 - 2¹⁵ = 7452419893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7452452611) 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 in 3 ways as a sum of consecutive naturals, for example, 1242075441 + ... + 1242075446.

It is an arithmetic number, because the mean of its divisors is an integer number (2484150888).

Almost surely, 2^7452452661 is an apocalyptic number.

It is an amenable number.

7452452661 is a deficient number, since it is larger than the sum of its proper divisors (2484150891).

7452452661 is a wasteful number, since it uses less digits than its factorization.

7452452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484150890.

The product of its digits is 403200, while the sum is 42.

The square root of 7452452661 is about 86327.5892226813. The cubic root of 7452452661 is about 1953.2885697561.

The spelling of 7452452661 in words is "seven billion, four hundred fifty-two million, four hundred fifty-two thousand, six hundred sixty-one".