6405012377 has 8 divisors (see below), whose sum is σ = 6693900864. Its totient is φ = 6116991408.

The previous prime is 6405012353. The next prime is 6405012401. The reversal of 6405012377 is 7732105046.

It is an interprime number because it is at equal distance from previous prime (6405012353) and next prime (6405012401).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6405012377 - 2⁸ = 6405012121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6405012077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201758 + ... + 231335.

It is an arithmetic number, because the mean of its divisors is an integer number (836737608).

Almost surely, 2^6405012377 is an apocalyptic number.

It is an amenable number.

6405012377 is a deficient number, since it is larger than the sum of its proper divisors (288888487).

6405012377 is a wasteful number, since it uses less digits than its factorization.

6405012377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433759.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 6405012377 is about 80031.3212248804. The cubic root of 6405012377 is about 1857.1201026547.

The spelling of 6405012377 in words is "six billion, four hundred five million, twelve thousand, three hundred seventy-seven".