1400654401 has 2 divisors, whose sum is σ = 1400654402. Its totient is φ = 1400654400.

The previous prime is 1400654347. The next prime is 1400654413. The reversal of 1400654401 is 1044560041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1367890225 + 32764176 = 36985^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400654401 - 2¹³ = 1400646209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400754401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700327200 + 700327201.

It is an arithmetic number, because the mean of its divisors is an integer number (700327201).

Almost surely, 2^1400654401 is an apocalyptic number.

It is an amenable number.

1400654401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400654401 is an equidigital number, since it uses as much as digits as its factorization.

1400654401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1400654401 is about 37425.3176472826. The cubic root of 1400654401 is about 1118.8632175881.

The spelling of 1400654401 in words is "one billion, four hundred million, six hundred fifty-four thousand, four hundred one".