7691427141 has 4 divisors (see below), whose sum is σ = 10255236192. Its totient is φ = 5127618092.

The previous prime is 7691427131. The next prime is 7691427167. The reversal of 7691427141 is 1417241967.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1417241967 = 3 ⋅472413989.

It is a cyclic number.

It is not a de Polignac number, because 7691427141 - 2⁹ = 7691426629 is a prime.

It is a super-2 number, since 2×7691427141² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7691427093 and 7691427102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7691427101) 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, 1281904521 + ... + 1281904526.

It is an arithmetic number, because the mean of its divisors is an integer number (2563809048).

Almost surely, 2^7691427141 is an apocalyptic number.

It is an amenable number.

7691427141 is a deficient number, since it is larger than the sum of its proper divisors (2563809051).

7691427141 is a wasteful number, since it uses less digits than its factorization.

7691427141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563809050.

The product of its digits is 84672, while the sum is 42.

The square root of 7691427141 is about 87700.7818722273. The cubic root of 7691427141 is about 1973.9477076365.

The spelling of 7691427141 in words is "seven billion, six hundred ninety-one million, four hundred twenty-seven thousand, one hundred forty-one".