1350606350621 has 4 divisors (see below), whose sum is σ = 1473388746144. Its totient is φ = 1227823955100.

The previous prime is 1350606350609. The next prime is 1350606350629. The reversal of 1350606350621 is 1260536060531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350606350621 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 (1350606350629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61391197745 + ... + 61391197766.

It is an arithmetic number, because the mean of its divisors is an integer number (368347186536).

Almost surely, 2^{1350606350621} is an apocalyptic number.

1350606350621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1350606350621 is a deficient number, since it is larger than the sum of its proper divisors (122782395523).

1350606350621 is a wasteful number, since it uses less digits than its factorization.

1350606350621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122782395522.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 1350606350621 in words is "one trillion, three hundred fifty billion, six hundred six million, three hundred fifty thousand, six hundred twenty-one".