1370077641221 has 4 divisors (see below), whose sum is σ = 1380865654272. Its totient is φ = 1359289628172.

The previous prime is 1370077641211. The next prime is 1370077641227. The reversal of 1370077641221 is 1221467700731.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1370077641221 is a prime.

It is a super-2 number, since 2×1370077641221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1370077641227) 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, 5394006335 + ... + 5394006588.

It is an arithmetic number, because the mean of its divisors is an integer number (345216413568).

Almost surely, 2^{1370077641221} is an apocalyptic number.

It is an amenable number.

1370077641221 is a deficient number, since it is larger than the sum of its proper divisors (10788013051).

1370077641221 is a wasteful number, since it uses less digits than its factorization.

1370077641221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788013050.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 1370077641221 in words is "one trillion, three hundred seventy billion, seventy-seven million, six hundred forty-one thousand, two hundred twenty-one".