46621721386617 has 32 divisors (see below), whose sum is σ = 67347453100032. Its totient is φ = 28517399156544.

The previous prime is 46621721386613. The next prime is 46621721386733. The reversal of 46621721386617 is 71668312712664.

It is not a de Polignac number, because 46621721386617 - 2² = 46621721386613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46621721386613) 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, 190102648 + ... + 190347734.

It is an arithmetic number, because the mean of its divisors is an integer number (2104607909376).

Almost surely, 2^{46621721386617} is an apocalyptic number.

It is an amenable number.

46621721386617 is a deficient number, since it is larger than the sum of its proper divisors (20725731713415).

46621721386617 is a wasteful number, since it uses less digits than its factorization.

46621721386617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274477.

The product of its digits is 24385536, while the sum is 60.

The spelling of 46621721386617 in words is "forty-six trillion, six hundred twenty-one billion, seven hundred twenty-one million, three hundred eighty-six thousand, six hundred seventeen".