361645483943 has 4 divisors (see below), whose sum is σ = 373311467328. Its totient is φ = 349979500560.

The previous prime is 361645483921. The next prime is 361645483949. The reversal of 361645483943 is 349384546163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349384546163 = 199 ⋅1755701237.

It is a cyclic number.

It is not a de Polignac number, because 361645483943 - 2²⁶ = 361578375079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361645483949) 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, 5832991646 + ... + 5832991707.

It is an arithmetic number, because the mean of its divisors is an integer number (93327866832).

Almost surely, 2^361645483943 is an apocalyptic number.

361645483943 is a deficient number, since it is larger than the sum of its proper divisors (11665983385).

361645483943 is a wasteful number, since it uses less digits than its factorization.

361645483943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665983384.

The product of its digits is 22394880, while the sum is 56.

The spelling of 361645483943 in words is "three hundred sixty-one billion, six hundred forty-five million, four hundred eighty-three thousand, nine hundred forty-three".