3945104551 has 2 divisors, whose sum is σ = 3945104552. Its totient is φ = 3945104550.

The previous prime is 3945104543. The next prime is 3945104567. The reversal of 3945104551 is 1554015493.

3945104551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3945104551 - 2³ = 3945104543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3945104551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3945104521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972552275 + 1972552276.

It is an arithmetic number, because the mean of its divisors is an integer number (1972552276).

Almost surely, 2^3945104551 is an apocalyptic number.

3945104551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3945104551 is an equidigital number, since it uses as much as digits as its factorization.

3945104551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 3945104551 is about 62810.0672742833. The cubic root of 3945104551 is about 1580.1058187686.

The spelling of 3945104551 in words is "three billion, nine hundred forty-five million, one hundred four thousand, five hundred fifty-one".