7448612131 has 4 divisors (see below), whose sum is σ = 7451727192. Its totient is φ = 7445497072.

The previous prime is 7448612113. The next prime is 7448612137. The reversal of 7448612131 is 1312168447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312168447 = 1231 ⋅1065937.

It is a cyclic number.

It is not a de Polignac number, because 7448612131 - 2¹¹ = 7448610083 is a prime.

It is a super-2 number, since 2×7448612131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7448612137) 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, 1553941 + ... + 1558726.

It is an arithmetic number, because the mean of its divisors is an integer number (1862931798).

Almost surely, 2^7448612131 is an apocalyptic number.

7448612131 is a deficient number, since it is larger than the sum of its proper divisors (3115061).

7448612131 is a wasteful number, since it uses less digits than its factorization.

7448612131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115060.

The product of its digits is 32256, while the sum is 37.

The square root of 7448612131 is about 86305.3424244409. The cubic root of 7448612131 is about 1952.9529776725.

The spelling of 7448612131 in words is "seven billion, four hundred forty-eight million, six hundred twelve thousand, one hundred thirty-one".