1294733401949 has 16 divisors (see below), whose sum is σ = 1405018944000. Its totient is φ = 1185983176896.

The previous prime is 1294733401937. The next prime is 1294733401981. The reversal of 1294733401949 is 9491043374921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294733401949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1294733401894 and 1294733401903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294733401849) 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, 3705227 + ... + 4039575.

It is an arithmetic number, because the mean of its divisors is an integer number (87813684000).

Almost surely, 2^{1294733401949} is an apocalyptic number.

It is an amenable number.

1294733401949 is a deficient number, since it is larger than the sum of its proper divisors (110285542051).

1294733401949 is a wasteful number, since it uses less digits than its factorization.

1294733401949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336644.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 1294733401949 in words is "one trillion, two hundred ninety-four billion, seven hundred thirty-three million, four hundred one thousand, nine hundred forty-nine".