1013641509646 has 4 divisors (see below), whose sum is σ = 1520462264472. Its totient is φ = 506820754822.

The previous prime is 1013641509631. The next prime is 1013641509653. The reversal of 1013641509646 is 6469051463101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1013641509646² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013641509596 and 1013641509605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253410377410 + ... + 253410377413.

It is an arithmetic number, because the mean of its divisors is an integer number (380115566118).

Almost surely, 2^{1013641509646} is an apocalyptic number.

1013641509646 is a deficient number, since it is larger than the sum of its proper divisors (506820754826).

1013641509646 is an equidigital number, since it uses as much as digits as its factorization.

1013641509646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506820754825.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 1013641509646 in words is "one trillion, thirteen billion, six hundred forty-one million, five hundred nine thousand, six hundred forty-six".