1400663047 has 4 divisors (see below), whose sum is σ = 1600757776. Its totient is φ = 1200568320.

The previous prime is 1400663023. The next prime is 1400663057. The reversal of 1400663047 is 7403660041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1400663047 - 2²⁷ = 1266445319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400663057) 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, 100047354 + ... + 100047367.

It is an arithmetic number, because the mean of its divisors is an integer number (400189444).

Almost surely, 2^1400663047 is an apocalyptic number.

1400663047 is a deficient number, since it is larger than the sum of its proper divisors (200094729).

1400663047 is an equidigital number, since it uses as much as digits as its factorization.

1400663047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200094728.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1400663047 is about 37425.4331571460. The cubic root of 1400663047 is about 1118.8655197671.

The spelling of 1400663047 in words is "one billion, four hundred million, six hundred sixty-three thousand, forty-seven".