7461421213785 has 64 divisors (see below), whose sum is σ = 15286354366464. Its totient is φ = 3017043590400.

The previous prime is 7461421213781. The next prime is 7461421213789. The reversal of 7461421213785 is 5873121241647.

It is an interprime number because it is at equal distance from previous prime (7461421213781) and next prime (7461421213789).

It is not a de Polignac number, because 7461421213785 - 2² = 7461421213781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7461421213781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87255981 + ... + 87341450.

It is an arithmetic number, because the mean of its divisors is an integer number (238849286976).

Almost surely, 2^{7461421213785} is an apocalyptic number.

It is an amenable number.

7461421213785 is an abundant number, since it is smaller than the sum of its proper divisors (7824933152679).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7461421213785 is a wasteful number, since it uses less digits than its factorization.

7461421213785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174597494.

The product of its digits is 2257920, while the sum is 51.

The spelling of 7461421213785 in words is "seven trillion, four hundred sixty-one billion, four hundred twenty-one million, two hundred thirteen thousand, seven hundred eighty-five".