7452945938 has 4 divisors (see below), whose sum is σ = 11179418910. Its totient is φ = 3726472968.

The previous prime is 7452945931. The next prime is 7452945949. The reversal of 7452945938 is 8395492547.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4111759129 + 3341186809 = 64123^2 + 57803^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7452945931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1863236483 + ... + 1863236486.

Almost surely, 2^7452945938 is an apocalyptic number.

7452945938 is a deficient number, since it is larger than the sum of its proper divisors (3726472972).

7452945938 is a wasteful number, since it uses less digits than its factorization.

7452945938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726472971.

The product of its digits is 10886400, while the sum is 56.

The square root of 7452945938 is about 86330.4461820973. The cubic root of 7452945938 is about 1953.3316647886.

The spelling of 7452945938 in words is "seven billion, four hundred fifty-two million, nine hundred forty-five thousand, nine hundred thirty-eight".