3550427412949 has 16 divisors (see below), whose sum is σ = 3708133732800. Its totient is φ = 3395089406464.

The previous prime is 3550427412943. The next prime is 3550427412991. The reversal of 3550427412949 is 9492147240553.

It is a cyclic number.

It is not a de Polignac number, because 3550427412949 - 2¹³ = 3550427404757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3550427412949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3550427412943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12102597 + ... + 12392485.

It is an arithmetic number, because the mean of its divisors is an integer number (231758358300).

Almost surely, 2^{3550427412949} is an apocalyptic number.

It is an amenable number.

3550427412949 is a deficient number, since it is larger than the sum of its proper divisors (157706319851).

3550427412949 is a wasteful number, since it uses less digits than its factorization.

3550427412949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293972.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 3550427412949 in words is "three trillion, five hundred fifty billion, four hundred twenty-seven million, four hundred twelve thousand, nine hundred forty-nine".