1421655343598 has 16 divisors (see below), whose sum is σ = 2488977137664. Its totient is φ = 596317438680.

The previous prime is 1421655343547. The next prime is 1421655343601. The reversal of 1421655343598 is 8953435561241.

It is a super-2 number, since 2×1421655343598² (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 7 ways as a sum of consecutive naturals, for example, 1080284558 + ... + 1080285873.

It is an arithmetic number, because the mean of its divisors is an integer number (155561071104).

Almost surely, 2^{1421655343598} is an apocalyptic number.

1421655343598 is a deficient number, since it is larger than the sum of its proper divisors (1067321794066).

1421655343598 is a wasteful number, since it uses less digits than its factorization.

1421655343598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160570487.

The product of its digits is 15552000, while the sum is 56.

The spelling of 1421655343598 in words is "one trillion, four hundred twenty-one billion, six hundred fifty-five million, three hundred forty-three thousand, five hundred ninety-eight".