7453405889 has 4 divisors (see below), whose sum is σ = 7455663024. Its totient is φ = 7451148756.

The previous prime is 7453405879. The next prime is 7453405901. The reversal of 7453405889 is 9885043547.

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: 9885043547 = 389 ⋅25411423.

It is a cyclic number.

It is not a de Polignac number, because 7453405889 - 2¹² = 7453401793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7453405889.

It is not an unprimeable number, because it can be changed into a prime (7453405859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123607 + ... + 1130220.

It is an arithmetic number, because the mean of its divisors is an integer number (1863915756).

Almost surely, 2^7453405889 is an apocalyptic number.

It is an amenable number.

7453405889 is a deficient number, since it is larger than the sum of its proper divisors (2257135).

7453405889 is a wasteful number, since it uses less digits than its factorization.

7453405889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257134.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The square root of 7453405889 is about 86333.1100389648. The cubic root of 7453405889 is about 1953.3718465895.

The spelling of 7453405889 in words is "seven billion, four hundred fifty-three million, four hundred five thousand, eight hundred eighty-nine".