1253463042646 has 8 divisors (see below), whose sum is σ = 1880336837880. Its totient is φ = 626684096688.

The previous prime is 1253463042563. The next prime is 1253463042707. The reversal of 1253463042646 is 6462403643521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1253463042596 and 1253463042605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23679271 + ... + 23732146.

It is an arithmetic number, because the mean of its divisors is an integer number (235042104735).

Almost surely, 2^{1253463042646} is an apocalyptic number.

1253463042646 is a deficient number, since it is larger than the sum of its proper divisors (626873795234).

1253463042646 is a wasteful number, since it uses less digits than its factorization.

1253463042646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47424638.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 1253463042646 in words is "one trillion, two hundred fifty-three billion, four hundred sixty-three million, forty-two thousand, six hundred forty-six".