1421420714077 has 32 divisors (see below), whose sum is σ = 1863713601792. Its totient is φ = 1051991276544.

The previous prime is 1421420714057. The next prime is 1421420714083. The reversal of 1421420714077 is 7704170241241.

It is not a de Polignac number, because 1421420714077 - 2⁷ = 1421420713949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421420714027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2566318 + ... + 3070639.

It is an arithmetic number, because the mean of its divisors is an integer number (58241050056).

Almost surely, 2^{1421420714077} is an apocalyptic number.

1421420714077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1421420714077 is a deficient number, since it is larger than the sum of its proper divisors (442292887715).

1421420714077 is a wasteful number, since it uses less digits than its factorization.

1421420714077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637157.

The product of its (nonzero) digits is 87808, while the sum is 40.

The spelling of 1421420714077 in words is "one trillion, four hundred twenty-one billion, four hundred twenty million, seven hundred fourteen thousand, seventy-seven".