36405378683541 has 36 divisors (see below), whose sum is σ = 61732143801900. Its totient is φ = 20612219620608.

The previous prime is 36405378683539. The next prime is 36405378683551. The reversal of 36405378683541 is 14538687350463.

36405378683541 is a `hidden beast` number, since 3 + 6 + 4 + 0 + 5 + 3 + 7 + 8 + 6 + 83 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31881313493316 + 4524065190225 = 5646354^2 + 2126985^2 .

It is not a de Polignac number, because 36405378683541 - 2¹ = 36405378683539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36405378683551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 378630276 + ... + 378726413.

It is an arithmetic number, because the mean of its divisors is an integer number (1714781772275).

Almost surely, 2^{36405378683541} is an apocalyptic number.

It is an amenable number.

36405378683541 is a deficient number, since it is larger than the sum of its proper divisors (25326765118359).

36405378683541 is a wasteful number, since it uses less digits than its factorization.

36405378683541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757356818 (or 757356808 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 36405378683541 in words is "thirty-six trillion, four hundred five billion, three hundred seventy-eight million, six hundred eighty-three thousand, five hundred forty-one".