7437543945 has 64 divisors (see below), whose sum is σ = 13631514624. Its totient is φ = 3430379520.

The previous prime is 7437543931. The next prime is 7437543947. The reversal of 7437543945 is 5493457347.

It is not a de Polignac number, because 7437543945 - 2¹¹ = 7437541897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (7437543947) 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 63 ways as a sum of consecutive naturals, for example, 734215 + ... + 744275.

It is an arithmetic number, because the mean of its divisors is an integer number (212992416).

Almost surely, 2^7437543945 is an apocalyptic number.

It is an amenable number.

7437543945 is a deficient number, since it is larger than the sum of its proper divisors (6193970679).

7437543945 is a wasteful number, since it uses less digits than its factorization.

7437543945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10322.

The product of its digits is 6350400, while the sum is 51.

The square root of 7437543945 is about 86241.1963333070. The cubic root of 7437543945 is about 1951.9851749111.

The spelling of 7437543945 in words is "seven billion, four hundred thirty-seven million, five hundred forty-three thousand, nine hundred forty-five".