3781400063 has 16 divisors (see below), whose sum is σ = 4434877440. Its totient is φ = 3157124256.

The previous prime is 3781400041. The next prime is 3781400099. The reversal of 3781400063 is 3600041873.

It is a cyclic number.

It is not a de Polignac number, because 3781400063 - 2⁸ = 3781399807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781400023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14906 + ... + 88232.

It is an arithmetic number, because the mean of its divisors is an integer number (277179840).

Almost surely, 2^3781400063 is an apocalyptic number.

3781400063 is a deficient number, since it is larger than the sum of its proper divisors (653477377).

3781400063 is a wasteful number, since it uses less digits than its factorization.

3781400063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73526.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 3781400063 is about 61493.0895548435. The cubic root of 3781400063 is about 1557.9405300661.

The spelling of 3781400063 in words is "three billion, seven hundred eighty-one million, four hundred thousand, sixty-three".