3550427412991 has 2 divisors, whose sum is σ = 3550427412992. Its totient is φ = 3550427412990.

The previous prime is 3550427412943. The next prime is 3550427413133. The reversal of 3550427412991 is 1992147240553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3550427412991 - 2³⁷ = 3412988459519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3550427410991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775213706495 + 1775213706496.

It is an arithmetic number, because the mean of its divisors is an integer number (1775213706496).

Almost surely, 2^{3550427412991} is an apocalyptic number.

3550427412991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550427412991 is an equidigital number, since it uses as much as digits as its factorization.

3550427412991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 3550427412991 in words is "three trillion, five hundred fifty billion, four hundred twenty-seven million, four hundred twelve thousand, nine hundred ninety-one".