1294886167949 has 16 divisors (see below), whose sum is σ = 1418120210304. Its totient is φ = 1172574547200.

The previous prime is 1294886167937. The next prime is 1294886167951. The reversal of 1294886167949 is 9497616884921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294886167949 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 (1294886167919) 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, 9056792 + ... + 9198654.

It is an arithmetic number, because the mean of its divisors is an integer number (88632513144).

Almost surely, 2^{1294886167949} is an apocalyptic number.

It is an amenable number.

1294886167949 is a deficient number, since it is larger than the sum of its proper divisors (123234042355).

1294886167949 is a wasteful number, since it uses less digits than its factorization.

1294886167949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145108.

The product of its digits is 376233984, while the sum is 74.

The spelling of 1294886167949 in words is "one trillion, two hundred ninety-four billion, eight hundred eighty-six million, one hundred sixty-seven thousand, nine hundred forty-nine".