1969392150493 has 16 divisors (see below), whose sum is σ = 2098579734720. Its totient is φ = 1842770082816.

The previous prime is 1969392150491. The next prime is 1969392150521. The reversal of 1969392150493 is 3940512939691.

It is a cyclic number.

It is not a de Polignac number, because 1969392150493 - 2¹ = 1969392150491 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 (1969392150491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5823421 + ... + 6152317.

It is an arithmetic number, because the mean of its divisors is an integer number (131161233420).

Almost surely, 2^{1969392150493} is an apocalyptic number.

It is an amenable number.

1969392150493 is a deficient number, since it is larger than the sum of its proper divisors (129187584227).

1969392150493 is a wasteful number, since it uses less digits than its factorization.

1969392150493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332796.

The product of its (nonzero) digits is 14171760, while the sum is 61.

It can be divided in two parts, 196939 and 2150493, that added together give a palindrome (2347432).

The spelling of 1969392150493 in words is "one trillion, nine hundred sixty-nine billion, three hundred ninety-two million, one hundred fifty thousand, four hundred ninety-three".