7001381377 has 4 divisors (see below), whose sum is σ = 7038038016. Its totient is φ = 6964724740.

The previous prime is 7001381369. The next prime is 7001381393. The reversal of 7001381377 is 7731831007.

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: 7731831007 = 15073 ⋅512959.

It is a cyclic number.

It is not a de Polignac number, because 7001381377 - 2³ = 7001381369 is a prime.

It is a super-2 number, since 2×7001381377² = 98038682372404832258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7001381077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18328033 + ... + 18328414.

It is an arithmetic number, because the mean of its divisors is an integer number (1759509504).

Almost surely, 2^7001381377 is an apocalyptic number.

It is an amenable number.

7001381377 is a deficient number, since it is larger than the sum of its proper divisors (36656639).

7001381377 is a wasteful number, since it uses less digits than its factorization.

7001381377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36656638.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 7001381377 is about 83674.2575527265. The cubic root of 7001381377 is about 1913.0570068360.

The spelling of 7001381377 in words is "seven billion, one million, three hundred eighty-one thousand, three hundred seventy-seven".