4000700051 has 2 divisors, whose sum is σ = 4000700052. Its totient is φ = 4000700050.

The previous prime is 4000700027. The next prime is 4000700069. The reversal of 4000700051 is 1500070004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000700051 - 2⁶ = 4000699987 is a prime.

It is not a weakly prime, because it can be changed into another prime (4000700351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000350025 + 2000350026.

It is an arithmetic number, because the mean of its divisors is an integer number (2000350026).

Almost surely, 2^4000700051 is an apocalyptic number.

4000700051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000700051 is an equidigital number, since it uses as much as digits as its factorization.

4000700051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 4000700051 is about 63251.0873503373. The cubic root of 4000700051 is about 1587.4936517075.

Adding to 4000700051 its reverse (1500070004), we get a palindrome (5500770055).

The spelling of 4000700051 in words is "four billion, seven hundred thousand, fifty-one".