7137204397 has 4 divisors (see below), whose sum is σ = 7139444256. Its totient is φ = 7134964540.

The previous prime is 7137204391. The next prime is 7137204439. The reversal of 7137204397 is 7934027317.

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 7137204397 - 2¹¹ = 7137202349 is a prime.

It is a super-2 number, since 2×7137204397² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7137204391) 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, 1115143 + ... + 1121524.

It is an arithmetic number, because the mean of its divisors is an integer number (1784861064).

Almost surely, 2^7137204397 is an apocalyptic number.

It is an amenable number.

7137204397 is a deficient number, since it is larger than the sum of its proper divisors (2239859).

7137204397 is a wasteful number, since it uses less digits than its factorization.

7137204397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239858.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 7137204397 is about 84481.9767583595. The cubic root of 7137204397 is about 1925.3486204609.

The spelling of 7137204397 in words is "seven billion, one hundred thirty-seven million, two hundred four thousand, three hundred ninety-seven".