1964355362401 has 12 divisors (see below), whose sum is σ = 2054122758100. Its totient is φ = 1878356319840.

The previous prime is 1964355362381. The next prime is 1964355362419. The reversal of 1964355362401 is 1042635534691.

It can be written as a sum of positive squares in 2 ways, for example, as 921505922401 + 1042849440000 = 959951^2 + 1021200^2 .

It is not a de Polignac number, because 1964355362401 - 2⁵ = 1964355362369 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1964355369401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099075 + ... + 2266423.

Almost surely, 2^{1964355362401} is an apocalyptic number.

It is an amenable number.

1964355362401 is a deficient number, since it is larger than the sum of its proper divisors (89767395699).

1964355362401 is a wasteful number, since it uses less digits than its factorization.

1964355362401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170576 (or 1170553 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 1964355362401 in words is "one trillion, nine hundred sixty-four billion, three hundred fifty-five million, three hundred sixty-two thousand, four hundred one".