3951005622947 has 2 divisors, whose sum is σ = 3951005622948. Its totient is φ = 3951005622946.

The previous prime is 3951005622937. The next prime is 3951005622953. The reversal of 3951005622947 is 7492265001593.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3951005622947 - 2¹⁸ = 3951005360803 is a prime.

It is a super-2 number, since 2×3951005622947² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3951005622937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975502811473 + 1975502811474.

It is an arithmetic number, because the mean of its divisors is an integer number (1975502811474).

Almost surely, 2^{3951005622947} is an apocalyptic number.

3951005622947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3951005622947 is an equidigital number, since it uses as much as digits as its factorization.

3951005622947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 3951005622947 in words is "three trillion, nine hundred fifty-one billion, five million, six hundred twenty-two thousand, nine hundred forty-seven".