1420351421415 has 64 divisors (see below), whose sum is σ = 2354776427520. Its totient is φ = 730583884800.

The previous prime is 1420351421407. The next prime is 1420351421431. The reversal of 1420351421415 is 5141241530241.

It is not a de Polignac number, because 1420351421415 - 2³ = 1420351421407 is a prime.

It is a super-2 number, since 2×1420351421415² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42635265 + ... + 42668565.

It is an arithmetic number, because the mean of its divisors is an integer number (36793381680).

Almost surely, 2^{1420351421415} is an apocalyptic number.

1420351421415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420351421415 is a deficient number, since it is larger than the sum of its proper divisors (934425006105).

1420351421415 is a wasteful number, since it uses less digits than its factorization.

1420351421415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34184.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 1420351421415 its reverse (5141241530241), we get a palindrome (6561592951656).

The spelling of 1420351421415 in words is "one trillion, four hundred twenty billion, three hundred fifty-one million, four hundred twenty-one thousand, four hundred fifteen".