7102091397 has 4 divisors (see below), whose sum is σ = 9469455200. Its totient is φ = 4734727596.

The previous prime is 7102091303. The next prime is 7102091401. The reversal of 7102091397 is 7931902017.

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 not a de Polignac number, because 7102091397 - 2¹⁵ = 7102058629 is a prime.

It is a super-2 number, since 2×7102091397² (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 (7102091197) 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, 1183681897 + ... + 1183681902.

It is an arithmetic number, because the mean of its divisors is an integer number (2367363800).

Almost surely, 2^7102091397 is an apocalyptic number.

It is an amenable number.

7102091397 is a deficient number, since it is larger than the sum of its proper divisors (2367363803).

7102091397 is a wasteful number, since it uses less digits than its factorization.

7102091397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367363802.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 7102091397 is about 84273.9069760030. The cubic root of 7102091397 is about 1922.1860406554.

The spelling of 7102091397 in words is "seven billion, one hundred two million, ninety-one thousand, three hundred ninety-seven".