1351464436641 has 32 divisors (see below), whose sum is σ = 1967738572800. Its totient is φ = 818248132800.

The previous prime is 1351464436633. The next prime is 1351464436759. The reversal of 1351464436641 is 1466344641531.

It is not a de Polignac number, because 1351464436641 - 2³ = 1351464436633 is a prime.

It is a super-3 number, since 3×1351464436641³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1351464436631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175533810 + ... + 175541508.

It is an arithmetic number, because the mean of its divisors is an integer number (61491830400).

Almost surely, 2^{1351464436641} is an apocalyptic number.

1351464436641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1351464436641 is a deficient number, since it is larger than the sum of its proper divisors (616274136159).

1351464436641 is a wasteful number, since it uses less digits than its factorization.

1351464436641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357.

The product of its digits is 2488320, while the sum is 48.

The spelling of 1351464436641 in words is "one trillion, three hundred fifty-one billion, four hundred sixty-four million, four hundred thirty-six thousand, six hundred forty-one".