6903862421449 has 4 divisors (see below), whose sum is σ = 7890128481664. Its totient is φ = 5917596361236.

The previous prime is 6903862421437. The next prime is 6903862421461. The reversal of 6903862421449 is 9441242683096.

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 an interprime number because it is at equal distance from previous prime (6903862421437) and next prime (6903862421461).

It is not a de Polignac number, because 6903862421449 - 2²⁷ = 6903728203721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6903862421393 and 6903862421402.

It is not an unprimeable number, because it can be changed into a prime (6903862421479) 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, 493133030097 + ... + 493133030110.

It is an arithmetic number, because the mean of its divisors is an integer number (1972532120416).

Almost surely, 2^{6903862421449} is an apocalyptic number.

It is an amenable number.

6903862421449 is a deficient number, since it is larger than the sum of its proper divisors (986266060215).

6903862421449 is an equidigital number, since it uses as much as digits as its factorization.

6903862421449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986266060214.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 6903862421449 in words is "six trillion, nine hundred three billion, eight hundred sixty-two million, four hundred twenty-one thousand, four hundred forty-nine".