3551948951 has 2 divisors, whose sum is σ = 3551948952. Its totient is φ = 3551948950.

The previous prime is 3551948927. The next prime is 3551948989. The reversal of 3551948951 is 1598491553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3551948951 - 2¹⁴ = 3551932567 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3551948951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3551948051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775974475 + 1775974476.

It is an arithmetic number, because the mean of its divisors is an integer number (1775974476).

Almost surely, 2^3551948951 is an apocalyptic number.

3551948951 is a deficient number, since it is larger than the sum of its proper divisors (1).

3551948951 is an equidigital number, since it uses as much as digits as its factorization.

3551948951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 50.

The square root of 3551948951 is about 59598.2294283983. The cubic root of 3551948951 is about 1525.7694156972.

The spelling of 3551948951 in words is "three billion, five hundred fifty-one million, nine hundred forty-eight thousand, nine hundred fifty-one".