7538149462 has 4 divisors (see below), whose sum is σ = 11307224196. Its totient is φ = 3769074730.

The previous prime is 7538149447. The next prime is 7538149477. The reversal of 7538149462 is 2649418357.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2649418357 = 3733 ⋅709729.

It is an interprime number because it is at equal distance from previous prime (7538149447) and next prime (7538149477).

It is a super-2 number, since 2×7538149462² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884537364 + ... + 1884537367.

It is an arithmetic number, because the mean of its divisors is an integer number (2826806049).

Almost surely, 2^7538149462 is an apocalyptic number.

7538149462 is a deficient number, since it is larger than the sum of its proper divisors (3769074734).

7538149462 is a wasteful number, since it uses less digits than its factorization.

7538149462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769074733.

The product of its digits is 1451520, while the sum is 49.

The square root of 7538149462 is about 86822.5170217957. The cubic root of 7538149462 is about 1960.7471001328.

The spelling of 7538149462 in words is "seven billion, five hundred thirty-eight million, one hundred forty-nine thousand, four hundred sixty-two".