7489953445 has 32 divisors (see below), whose sum is σ = 9747682560. Its totient is φ = 5492136960.

The previous prime is 7489953439. The next prime is 7489953461. The reversal of 7489953445 is 5443599847.

It is not a de Polignac number, because 7489953445 - 2¹¹ = 7489951397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7489953445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10134886 + ... + 10135624.

It is an arithmetic number, because the mean of its divisors is an integer number (304615080).

Almost surely, 2^7489953445 is an apocalyptic number.

It is an amenable number.

7489953445 is a deficient number, since it is larger than the sum of its proper divisors (2257729115).

7489953445 is a wasteful number, since it uses less digits than its factorization.

7489953445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645.

The product of its digits is 21772800, while the sum is 58.

The square root of 7489953445 is about 86544.5171284698. The cubic root of 7489953445 is about 1956.5594092966.

The spelling of 7489953445 in words is "seven billion, four hundred eighty-nine million, nine hundred fifty-three thousand, four hundred forty-five".