3551430374461 has 4 divisors (see below), whose sum is σ = 3600080105692. Its totient is φ = 3502780643232.

The previous prime is 3551430374447. The next prime is 3551430374473. The reversal of 3551430374461 is 1644730341553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2890289007225 + 661141367236 = 1700085^2 + 813106^2 .

It is a cyclic number.

It is not a de Polignac number, because 3551430374461 - 2⁷ = 3551430374333 is a prime.

It is a super-2 number, since 2×3551430374461² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551430374431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24324865506 + ... + 24324865651.

It is an arithmetic number, because the mean of its divisors is an integer number (900020026423).

Almost surely, 2^{3551430374461} is an apocalyptic number.

It is an amenable number.

3551430374461 is a deficient number, since it is larger than the sum of its proper divisors (48649731231).

3551430374461 is an equidigital number, since it uses as much as digits as its factorization.

3551430374461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48649731230.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 3551430374461 in words is "three trillion, five hundred fifty-one billion, four hundred thirty million, three hundred seventy-four thousand, four hundred sixty-one".