7535149997 has 4 divisors (see below), whose sum is σ = 7536268320. Its totient is φ = 7534031676.

The previous prime is 7535149987. The next prime is 7535150033. The reversal of 7535149997 is 7999415357.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7535149997 - 2⁴ = 7535149981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7535149907) 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, 548993 + ... + 562550.

It is an arithmetic number, because the mean of its divisors is an integer number (1884067080).

Almost surely, 2^7535149997 is an apocalyptic number.

It is an amenable number.

7535149997 is a deficient number, since it is larger than the sum of its proper divisors (1118323).

7535149997 is a wasteful number, since it uses less digits than its factorization.

7535149997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118322.

The product of its digits is 10716300, while the sum is 59.

The square root of 7535149997 is about 86805.2417599306. The cubic root of 7535149997 is about 1960.4870021448.

The spelling of 7535149997 in words is "seven billion, five hundred thirty-five million, one hundred forty-nine thousand, nine hundred ninety-seven".