551320450413 has 8 divisors (see below), whose sum is σ = 746065485408. Its totient is φ = 362061191184.

The previous prime is 551320450411. The next prime is 551320450481. The reversal of 551320450413 is 314054023155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 551320450413 - 2¹ = 551320450411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551320450411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371443706 + ... + 1371444107.

It is an arithmetic number, because the mean of its divisors is an integer number (93258185676).

Almost surely, 2^551320450413 is an apocalyptic number.

It is an amenable number.

551320450413 is a deficient number, since it is larger than the sum of its proper divisors (194745034995).

551320450413 is a wasteful number, since it uses less digits than its factorization.

551320450413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742887883.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 551320450413 its reverse (314054023155), we get a palindrome (865374473568).

The spelling of 551320450413 in words is "five hundred fifty-one billion, three hundred twenty million, four hundred fifty thousand, four hundred thirteen".