465051216553 has 32 divisors (see below), whose sum is σ = 619083159552. Its totient is φ = 338560992000.

The previous prime is 465051216551. The next prime is 465051216569. The reversal of 465051216553 is 355612150564.

It is a happy number.

It is not a de Polignac number, because 465051216553 - 2¹ = 465051216551 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (465051216551) 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, 2977248 + ... + 3129553.

It is an arithmetic number, because the mean of its divisors is an integer number (19346348736).

Almost surely, 2^465051216553 is an apocalyptic number.

465051216553 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

465051216553 is a deficient number, since it is larger than the sum of its proper divisors (154031942999).

465051216553 is a wasteful number, since it uses less digits than its factorization.

465051216553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106885.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 465051216553 in words is "four hundred sixty-five billion, fifty-one million, two hundred sixteen thousand, five hundred fifty-three".